Convert CONFIG_SPL_NAND_LOAD et al to Kconfig

This converts the following to Kconfig:
   CONFIG_SPL_NAND_LOAD
   CONFIG_SYS_NAND_BLOCK_SIZE
   CONFIG_SYS_NAND_PAGE_SIZE
   CONFIG_SYS_NAND_OOBSIZE

Signed-off-by: Tom Rini <trini@konsulko.com>
diff --git a/include/configs/ls1043a_common.h b/include/configs/ls1043a_common.h
index fb697bd..6e8eebf 100644
--- a/include/configs/ls1043a_common.h
+++ b/include/configs/ls1043a_common.h
@@ -174,10 +174,7 @@
 
 
 #else
-#ifdef CONFIG_NAND_BOOT
-/* Store Fman ucode at offeset 0x900000(72 blocks). */
-#define CONFIG_SYS_FMAN_FW_ADDR		(72 * CONFIG_SYS_NAND_BLOCK_SIZE)
-#elif defined(CONFIG_SD_BOOT)
+#if defined(CONFIG_SD_BOOT)
 /*
  * PBL SD boot image should stored at 0x1000(8 blocks), the size of the image is
  * about 1MB (2040 blocks), Env is stored after the image, and the env size is