mmc-utils: add support to create gp partition

create gp partition if needed with enhanced / extended attribute.

Signed-off-by: Balaji T K <balajitk@ti.com>
Signed-off-by: Chris Ball <chris@printf.net>
diff --git a/mmc_cmds.h b/mmc_cmds.h
index 9e625c9..6d2a5ed 100644
--- a/mmc_cmds.h
+++ b/mmc_cmds.h
@@ -26,6 +26,7 @@
 int do_hwreset_dis(int nargs, char **argv);
 int do_sanitize(int nargs, char **argv);
 int do_status_get(int nargs, char **argv);
+int do_create_gp_partition(int nargs, char **argv);
 int do_enh_area_set(int nargs, char **argv);
 int do_write_reliability_set(int nargs, char **argv);
 int do_rpmb_write_key(int nargs, char **argv);