MIPS: BCM63xx: Fix BCM6338 and BCM6345 gpio count

The number of GPIOs on BCM6338 is 8, while BCM6345 has only 16 GPIOs
available.

Signed-off-by: Florian Fainelli <[e-mail]>
To: [e-mail]
Patchwork: http://patchwork.linux-mips.org/patch/1016/
Signed-off-by: Ralf Baechle <[e-mail]>

arch/mips/include/asm/mach-bcm63xx/bcm63xx_gpio.h

···
 	switch (bcm63xx_get_cpu_id()) {
 	case BCM6358_CPU_ID:
 		return 40;
+	case BCM6338_CPU_ID:
+		return 8;
+	case BCM6345_CPU_ID:
+		return 16;
 	case BCM6348_CPU_ID:
 	default:
 		return 37;