kernel: generic: fix warning in FIT partition parser

Use 'const char *' where necessary to make gcc get quiet.

Signed-off-by: Daniel Golle <[email protected]>

target/linux/generic/files/block/partitions/fit.c

@@ -89,8 +89,8 @@ int parse_fit_partitions(struct parsed_partitions *state, u64 fit_start_sector,
 	size_t label_min;
 	struct device_node *np = NULL;
 	const char *bootconf;
-	char *loadable;
-	char *select_rootfs = NULL;
+	const char *loadable;
+	const char *select_rootfs = NULL;
 	bool found;
 	int loadables_rem_len, loadable_len;