configs: Migrate CONFIG_NR_DRAM_BANKS

We have the following cases:
- CONFIG_NR_DRAM_BANKS was defined, migrate normally
- CONFIG_NR_DRAM_BANKS_MAX was defined and then used for
  CONFIG_NR_DRAM_BANKS after a check, just migrate it over now.
- CONFIG_NR_DRAM_BANKS was very oddly defined on p2771-0000-* (to 1024 +
  2), set this to 8.

Signed-off-by: Tom Rini <trini@konsulko.com>
diff --git a/configs/apf27_defconfig b/configs/apf27_defconfig
index 5f688f0..55225fb 100644
--- a/configs/apf27_defconfig
+++ b/configs/apf27_defconfig
@@ -6,6 +6,7 @@
 CONFIG_SPL=y
 CONFIG_IDENT_STRING=" apf27 patch 3.10"
 CONFIG_ENV_VARS_UBOOT_CONFIG=y
+CONFIG_NR_DRAM_BANKS=2
 CONFIG_BOOTDELAY=5
 CONFIG_USE_BOOTARGS=y
 CONFIG_BOOTARGS="console=ttySMX0,115200 mtdparts=mxc_nand.0:1M(u-boot)ro,512K(env),512K(env2),512K(firmware),512K(dtb),5M(kernel),-(rootfs) ubi.mtd=rootfs root=ubi0:rootfs rootfstype=ubifs "