ARM: uniphier: change CPU_RELEASE_ADDR to the head of DRAM space

At first, 256 byte of the head of DRAM space was reserved for some
reasons.  However, as the progress of development, it turned out
unnecessary, and it was never used in the end.  Move the CPU release
address to leave no space.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>

include/configs/uniphier.h

@@ -100,7 +100,7 @@
 
 #ifdef CONFIG_ARM64
 #define CONFIG_ARMV8_MULTIENTRY
-#define CPU_RELEASE_ADDR			0x80000100
+#define CPU_RELEASE_ADDR			0x80000000
 #define COUNTER_FREQUENCY			50000000
 #define CONFIG_GICV3
 #define GICD_BASE				0x5fe00000