powerpc: Add some endian annotations to time and xics code

Fix a couple of sparse warnings.

Signed-off-by: Anton Blanchard <[e-mail]>
Signed-off-by: Benjamin Herrenschmidt <[e-mail]>

arch/powerpc/kernel/time.c

···
 static int __init get_freq(char *name, int cells, unsigned long *val)
 {
 	struct device_node *cpu;
-	const unsigned int *fp;
+	const __be32 *fp;
 	int found = 0;
 
 	/* The cpu node should have timebase and clock frequency properties */

arch/powerpc/sysdev/xics/icp-native.c

···
 					   unsigned int *indx)
 {
 	unsigned int ilen;
-	const u32 *ireg;
+	const __be32 *ireg;
 	int i;
 	int reg_tuple_size;
 	int num_servers = 0;