cmd: bootefi: Fix fdt_size variable type in efi_carve_out_dt_rsv()

Variable fdt_size should be of type 'fdt_size_t', not 'fdt_addr_t'.

Fixes 0d7c2913fdf7: ("cmd: bootefi: Honor the address & size cells properties correctly")
Signed-off-by: Bin Meng <bin.meng@windriver.com>
Reviewed-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
diff --git a/cmd/bootefi.c b/cmd/bootefi.c
index ac713ca..8269153 100644
--- a/cmd/bootefi.c
+++ b/cmd/bootefi.c
@@ -189,7 +189,8 @@
 	if (nodeoffset >= 0) {
 		subnode = fdt_first_subnode(fdt, nodeoffset);
 		while (subnode >= 0) {
-			fdt_addr_t fdt_addr, fdt_size;
+			fdt_addr_t fdt_addr;
+			fdt_size_t fdt_size;
 
 			/* check if this subnode has a reg property */
 			fdt_addr = fdtdec_get_addr_size_auto_parent(