Convert CONFIG_SPL_RELOC_TEXT_BASE et al to Kconfig

This converts the following to Kconfig:
   CONFIG_SPL_RELOC_TEXT_BASE
   CONFIG_SPL_RELOC_STACK
   CONFIG_SPL_RELOC_MALLOC_ADDR
   CONFIG_SPL_RELOC_MALLOC_SIZE

Signed-off-by: Tom Rini <trini@konsulko.com>
diff --git a/configs/P1010RDB-PB_SDCARD_defconfig b/configs/P1010RDB-PB_SDCARD_defconfig
index b5d097a..1d18f12 100644
--- a/configs/P1010RDB-PB_SDCARD_defconfig
+++ b/configs/P1010RDB-PB_SDCARD_defconfig
@@ -30,6 +30,11 @@
 CONFIG_SPL_MMC_BOOT=y
 CONFIG_SPL_SYS_CCSR_DO_NOT_RELOCATE=y
 CONFIG_SPL_FLUSH_IMAGE=y
+CONFIG_SPL_RELOC_TEXT_BASE=0xd0001000
+CONFIG_SPL_RELOC_STACK=0xd001c000
+CONFIG_SPL_RELOC_MALLOC=y
+CONFIG_SPL_RELOC_MALLOC_ADDR=0xd0020000
+CONFIG_SPL_RELOC_MALLOC_SIZE=0x20000
 CONFIG_SPL_ENV_SUPPORT=y
 CONFIG_SPL_I2C=y
 CONFIG_SPL_MPC8XXX_INIT_DDR=y