powerpc: Use static const char arrays

Signed-off-by: Joe Perches <[e-mail]>
Reviewed-by: Stephen Rothwell <[e-mail]>
Signed-off-by: Benjamin Herrenschmidt <[e-mail]>

arch/powerpc/boot/addnote.c

···
 #include <string.h>
 
 /* CHRP note section */
-char arch[] = "PowerPC";
+static const char arch[] = "PowerPC";
 
 #define N_DESCR	6
 unsigned int descr[N_DESCR] = {
···
 };
 
 /* RPA note section */
-char rpaname[] = "IBM,RPA-Client-Config";
+static const char rpaname[] = "IBM,RPA-Client-Config";
 
 /*
  * Note: setting ignore_my_client_config *should* mean that OF ignores

arch/powerpc/kernel/irq.c

···
 	unsigned long flags;
 	struct irq_desc *desc;
 	const char *p;
-	char none[] = "none";
+	static const char none[] = "none";
 	int i;
 
 	seq_printf(m, "%-5s  %-7s  %-15s  %s\n", "virq", "hwirq",