mkimage: Make genimg_print_size() global

Currently it is used by image.c only, but the the function can be
used to support additional mkimage types like for example kwbimage,
so make this function globally visible.

Signed-off-by: Prafulla Wadaskar <prafulla@marvell.com>

Edited commit message.

Signed-off-by: Wolfgang Denk <wd@denx.de>
diff --git a/common/image.c b/common/image.c
index f3dd647..ca8205c 100644
--- a/common/image.c
+++ b/common/image.c
@@ -158,7 +158,6 @@
 
 uint32_t crc32 (uint32_t, const unsigned char *, uint);
 uint32_t crc32_wd (uint32_t, const unsigned char *, uint, uint);
-static void genimg_print_size (uint32_t size);
 #if defined(CONFIG_TIMESTAMP) || defined(CONFIG_CMD_DATE) || defined(USE_HOSTCC)
 static void genimg_print_time (time_t timestamp);
 #endif
@@ -473,7 +472,7 @@
 }
 #endif /* !USE_HOSTCC */
 
-static void genimg_print_size (uint32_t size)
+void genimg_print_size (uint32_t size)
 {
 #ifndef USE_HOSTCC
 	printf ("%d Bytes = ", size);
diff --git a/include/image.h b/include/image.h
index a62669f..4a7bf78 100644
--- a/include/image.h
+++ b/include/image.h
@@ -292,6 +292,7 @@
 int genimg_get_arch_id (const char *name);
 int genimg_get_type_id (const char *name);
 int genimg_get_comp_id (const char *name);
+void genimg_print_size (uint32_t size);
 
 #ifndef USE_HOSTCC
 /* Image format types, returned by _get_format() routine */