ARM: UniPhier: move CONFIG_SYS_TEXT_BASE to Kconfig

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
diff --git a/configs/ph1_pro4_defconfig b/configs/ph1_pro4_defconfig
index 9a010ee..cc3a9a4 100644
--- a/configs/ph1_pro4_defconfig
+++ b/configs/ph1_pro4_defconfig
@@ -3,6 +3,7 @@
 CONFIG_SPL_DM=y
 CONFIG_MACH_PH1_PRO4=y
 CONFIG_PFC_MICRO_SUPPORT_CARD=y
+CONFIG_SYS_TEXT_BASE=0x84000000
 CONFIG_DEFAULT_DEVICE_TREE="uniphier-ph1-pro4-ref"
 CONFIG_FIT=y
 CONFIG_FIT_VERBOSE=y