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/bcm28155_w1d_defconfig b/configs/bcm28155_w1d_defconfig
index e68b538..7972e27 100644
--- a/configs/bcm28155_w1d_defconfig
+++ b/configs/bcm28155_w1d_defconfig
@@ -3,6 +3,7 @@
 CONFIG_TARGET_BCM28155_AP=y
 CONFIG_SYS_TEXT_BASE=0xae000000
 CONFIG_NR_DRAM_BANKS=1
+CONFIG_MISC_INIT_R=y
 CONFIG_VERSION_VARIABLE=y
 # CONFIG_DISPLAY_CPUINFO is not set
 # CONFIG_DISPLAY_BOARDINFO is not set
@@ -24,7 +25,6 @@
 CONFIG_MMC_SDHCI=y
 CONFIG_MMC_SDHCI_SDMA=y
 CONFIG_MMC_SDHCI_KONA=y
-CONFIG_NETDEVICES=y
 CONFIG_BCM_SF2_ETH=y
 CONFIG_BCM_SF2_ETH_GMAC=y
 CONFIG_SYS_NS16550=y