target: use proper format with uint32_t

Modify the format strings to properly handle uint32_t data types.

While there, fix prototype mismatch between header and C file of
the function armv7a_l1_d_cache_inval_virt().

Change-Id: I434bd241fa5c38e0c15d22cda2295097050067f5
Signed-off-by: Antonio Borneo <borneo.antonio@gmail.com>
Reviewed-on: http://openocd.zylin.com/5818
Tested-by: jenkins

src/target/armv7a_cache_l2x.c

@@ -185,7 +185,7 @@ static int arm7a_handle_l2x_cache_info_command(struct command_invocation *cmd,
 	}
 
 	command_print(cmd,
-		      "L2 unified cache Base Address 0x%" PRIx32 ", %" PRId32 " ways",
+		      "L2 unified cache Base Address 0x%" PRIx32 ", %" PRIu32 " ways",
 		      l2x_cache->base, l2x_cache->way);
 
 	return ERROR_OK;