hostapd: use getrandom syscall

hostapd will not use the getrandom() syscall and as a fallback use
/dev/random, the syscall is supported since Linux 3.17 and in the musl,
glibc and uclibc version used by OpenWrt.

Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
(cherry picked from commit 998686364da7d002ba9f6dbb43cc5f32294dd4ab)

package/network/services/hostapd/files/hostapd-basic.config

@@ -262,7 +262,7 @@ CONFIG_NO_RANDOM_POOL=y
 # Should we attempt to use the getrandom(2) call that provides more reliable
 # yet secure randomness source than /dev/random on Linux 3.17 and newer.
 # Requires glibc 2.25 to build, falls back to /dev/random if unavailable.
-#CONFIG_GETRANDOM=y
+CONFIG_GETRANDOM=y
 
 # Should we use poll instead of select? Select is used by default.
 #CONFIG_ELOOP_POLL=y

package/network/services/hostapd/files/hostapd-full.config

@@ -262,7 +262,7 @@ CONFIG_NO_RANDOM_POOL=y
 # Should we attempt to use the getrandom(2) call that provides more reliable
 # yet secure randomness source than /dev/random on Linux 3.17 and newer.
 # Requires glibc 2.25 to build, falls back to /dev/random if unavailable.
-#CONFIG_GETRANDOM=y
+CONFIG_GETRANDOM=y
 
 # Should we use poll instead of select? Select is used by default.
 #CONFIG_ELOOP_POLL=y

package/network/services/hostapd/files/hostapd-mini.config

@@ -262,7 +262,7 @@ CONFIG_NO_RANDOM_POOL=y
 # Should we attempt to use the getrandom(2) call that provides more reliable
 # yet secure randomness source than /dev/random on Linux 3.17 and newer.
 # Requires glibc 2.25 to build, falls back to /dev/random if unavailable.
-#CONFIG_GETRANDOM=y
+CONFIG_GETRANDOM=y
 
 # Should we use poll instead of select? Select is used by default.
 #CONFIG_ELOOP_POLL=y

package/network/services/hostapd/files/wpa_supplicant-basic.config

@@ -473,7 +473,7 @@ CONFIG_NO_RANDOM_POOL=y
 # Should we attempt to use the getrandom(2) call that provides more reliable
 # yet secure randomness source than /dev/random on Linux 3.17 and newer.
 # Requires glibc 2.25 to build, falls back to /dev/random if unavailable.
-#CONFIG_GETRANDOM=y
+CONFIG_GETRANDOM=y
 
 # IEEE 802.11n (High Throughput) support (mainly for AP mode)
 #CONFIG_IEEE80211N=y

package/network/services/hostapd/files/wpa_supplicant-full.config

@@ -473,7 +473,7 @@ CONFIG_NO_RANDOM_POOL=y
 # Should we attempt to use the getrandom(2) call that provides more reliable
 # yet secure randomness source than /dev/random on Linux 3.17 and newer.
 # Requires glibc 2.25 to build, falls back to /dev/random if unavailable.
-#CONFIG_GETRANDOM=y
+CONFIG_GETRANDOM=y
 
 # IEEE 802.11n (High Throughput) support (mainly for AP mode)
 #CONFIG_IEEE80211N=y

package/network/services/hostapd/files/wpa_supplicant-mini.config

@@ -473,7 +473,7 @@ CONFIG_NO_RANDOM_POOL=y
 # Should we attempt to use the getrandom(2) call that provides more reliable
 # yet secure randomness source than /dev/random on Linux 3.17 and newer.
 # Requires glibc 2.25 to build, falls back to /dev/random if unavailable.
-#CONFIG_GETRANDOM=y
+CONFIG_GETRANDOM=y
 
 # IEEE 802.11n (High Throughput) support (mainly for AP mode)
 #CONFIG_IEEE80211N=y

package/network/services/hostapd/files/wpa_supplicant-p2p.config

@@ -473,7 +473,7 @@ CONFIG_NO_RANDOM_POOL=y
 # Should we attempt to use the getrandom(2) call that provides more reliable
 # yet secure randomness source than /dev/random on Linux 3.17 and newer.
 # Requires glibc 2.25 to build, falls back to /dev/random if unavailable.
-#CONFIG_GETRANDOM=y
+CONFIG_GETRANDOM=y
 
 # IEEE 802.11n (High Throughput) support (mainly for AP mode)
 #CONFIG_IEEE80211N=y