Convert CONFIG_FSL_FIXED_MMC_LOCATION et al to Kconfig

This converts the following to Kconfig:
   CONFIG_FSL_FIXED_MMC_LOCATION
   CONFIG_ESDHC_HC_BLK_ADDR

Signed-off-by: Tom Rini <trini@konsulko.com>
diff --git a/include/configs/P1010RDB.h b/include/configs/P1010RDB.h
index 19aebb8..8135168 100644
--- a/include/configs/P1010RDB.h
+++ b/include/configs/P1010RDB.h
@@ -465,9 +465,7 @@
 /*
  * Environment
  */
-#if defined(CONFIG_SDCARD)
-#define CONFIG_FSL_FIXED_MMC_LOCATION
-#elif defined(CONFIG_MTD_RAW_NAND)
+#if defined(CONFIG_MTD_RAW_NAND)
 #ifdef CONFIG_TPL_BUILD
 #define SPL_ENV_ADDR		(CONFIG_SYS_INIT_L2_ADDR + (160 << 10))
 #endif