Convert CONFIG_MISC_INIT_R to Kconfig

This converts the following to Kconfig:
   CONFIG_MISC_INIT_R

Signed-off-by: Adam Ford <aford173@gmail.com>
[trini: Update the defaults logic slightly]
Signed-off-by: Tom Rini <trini@konsulko.com>
diff --git a/configs/integratorcp_cm1136_defconfig b/configs/integratorcp_cm1136_defconfig
index d2ab301..308b94c 100644
--- a/configs/integratorcp_cm1136_defconfig
+++ b/configs/integratorcp_cm1136_defconfig
@@ -6,6 +6,7 @@
 CONFIG_NR_DRAM_BANKS=1
 CONFIG_USE_BOOTARGS=y
 CONFIG_BOOTARGS="root=/dev/mtdblock0 console=ttyAMA0 console=tty ip=dhcp netdev=27,0,0xfc800000,0xfc800010,eth0 video=clcdfb:0"
+CONFIG_MISC_INIT_R=y
 # CONFIG_DISPLAY_CPUINFO is not set
 # CONFIG_DISPLAY_BOARDINFO is not set
 CONFIG_HUSH_PARSER=y