mmc: make eMMC general purpose partition numbering match spec

The eMMC spec numbers general purpose partitions starting at 1, but
the mmcinfo output follows the internal numbering which starts at 0.
Make the mmcinfo command output number partitions as in the eMMC
spec to avoid confusion.

Signed-off-by: Diego Santa Cruz <Diego.SantaCruz@spinetix.com>

common/cmd_mmc.c

@@ -109,7 +109,7 @@ static void print_mmcinfo(struct mmc *mmc)
 			bool is_enh = has_enh &&
 				(mmc->part_attr & EXT_CSD_ENH_GP(i));
 			if (mmc->capacity_gp[i]) {
-				printf("GP%i Capacity: ", i);
+				printf("GP%i Capacity: ", i+1);
 				print_size(mmc->capacity_gp[i],
 					   is_enh ? " ENH\n" : "\n");
 			}