lantiq: xrx200: fix sorting of kernel config

Use the kconfig script to sort the kernel config. It makes further
changes more obvious.

Signed-off-by: Mathias Kresin <dev@kresin.me>

target/linux/lantiq/xrx200/config-default

@@ -10,6 +10,7 @@ CONFIG_CRYPTO_LZO=y
 CONFIG_FIRMWARE_IN_KERNEL=y
 CONFIG_HWMON=y
 CONFIG_ICPLUS_PHY=y
+CONFIG_IFX_VPE_EXT=y
 CONFIG_INPUT=y
 CONFIG_INPUT_EVDEV=y
 CONFIG_INPUT_POLLDEV=y
@@ -24,6 +25,9 @@ CONFIG_MIPS_MT=y
 # CONFIG_MIPS_MT_FPAFF is not set
 CONFIG_MIPS_MT_SMP=y
 CONFIG_MIPS_PERF_SHARED_TC_COUNTERS=y
+CONFIG_MIPS_VPE_APSP_API=y
+CONFIG_MIPS_VPE_LOADER=y
+CONFIG_MIPS_VPE_LOADER_TOM=y
 CONFIG_MTD_NAND=y
 CONFIG_MTD_NAND_ECC=y
 CONFIG_MTD_NAND_PLATFORM=y
@@ -35,10 +39,12 @@ CONFIG_MTD_UBI_BLOCK=y
 # CONFIG_MTD_UBI_FASTMAP is not set
 # CONFIG_MTD_UBI_GLUEBI is not set
 CONFIG_MTD_UBI_WL_THRESHOLD=4096
+# CONFIG_MTSCHED is not set
 CONFIG_NET_FLOW_LIMIT=y
 CONFIG_NLS=y
 CONFIG_NR_CPUS=2
 CONFIG_PCIE_LANTIQ=y
+# CONFIG_PERFCTRS is not set
 CONFIG_POWER_RESET=y
 CONFIG_POWER_RESET_GPIO=y
 CONFIG_POWER_SUPPLY=y
@@ -70,9 +76,3 @@ CONFIG_XPS=y
 CONFIG_XRX200_PHY_FW=y
 CONFIG_ZLIB_DEFLATE=y
 CONFIG_ZLIB_INFLATE=y
-CONFIG_MIPS_VPE_LOADER=y
-CONFIG_MIPS_VPE_LOADER_TOM=y
-CONFIG_MIPS_VPE_APSP_API=y
-CONFIG_IFX_VPE_EXT=y
-CONFIG_PERFCTRS=n
-# CONFIG_MTSCHED is not set