lib: fdtdec: Rename routine fdtdec_setup_memory_size()

This patch renames the routine fdtdec_setup_memory_size()
to fdtdec_setup_mem_size_base() as it now fills the
mem base as well along with size.

Signed-off-by: Siva Durga Prasad Paladugu <siva.durga.paladugu@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Reviewed-by: Tom Rini <trini@konsulko.com>

diff --git a/board/emulation/qemu-arm/qemu-arm.c b/board/emulation/qemu-arm/qemu-arm.c
index 085cbbe..1f5a33d 100644
--- a/board/emulation/qemu-arm/qemu-arm.c
+++ b/board/emulation/qemu-arm/qemu-arm.c
@@ -47,7 +47,7 @@
 
 int dram_init(void)
 {
-	if (fdtdec_setup_memory_size() != 0)
+	if (fdtdec_setup_mem_size_base() != 0)
 		return -EINVAL;
 
 	return 0;