kernel: do not deactivate CONFIG_BLK_DEV

CONFIG_BLK_DEV does not activate any functionality, but many code, but
makes it possible to activate other options. Deactivating this breaks
the build of kmod-zram.

Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>

SVN-Revision: 42528

target/linux/at91/config-default

@@ -26,7 +26,6 @@ CONFIG_AT91_SAM9_TIME=y
 CONFIG_AT91_TIMER_HZ=100
 CONFIG_ATAGS=y
 # CONFIG_ATMEL_TCLIB is not set
-# CONFIG_BLK_DEV is not set
 # CONFIG_BLK_DEV_INITRD is not set
 # CONFIG_CACHE_L2X0 is not set
 CONFIG_CC_OPTIMIZE_FOR_SIZE=y

target/linux/mcs814x/config-default

@@ -18,7 +18,6 @@ CONFIG_ARM_NR_BANKS=8
 # CONFIG_ARPD is not set
 CONFIG_BCMA_POSSIBLE=y
 CONFIG_BINFMT_MISC=y
-# CONFIG_BLK_DEV is not set
 # CONFIG_BRIDGE is not set
 # CONFIG_CACHE_L2X0 is not set
 CONFIG_CC_OPTIMIZE_FOR_SIZE=y

target/linux/x86/olpc/config-3.10

@@ -4,7 +4,6 @@ CONFIG_BACKLIGHT_GENERIC=y
 CONFIG_BACKLIGHT_LCD_SUPPORT=y
 # CONFIG_BACKLIGHT_SAHARA is not set
 CONFIG_BATTERY_OLPC=y
-# CONFIG_BLK_DEV is not set
 CONFIG_BLK_DEV_SR=y
 CONFIG_BLK_DEV_SR_VENDOR=y
 # CONFIG_BOOTPARAM_HUNG_TASK_PANIC is not set