mpc83xx: add support for mpc8309

This processor, though very similar to other members of the
PowerQUICC II Pro family (namely 8308, 8360 and 832x), provides
yet another feature set than any supported sibling.

Signed-off-by: Gerlando Falauto <gerlando.falauto@keymile.com>
Signed-off-by: Kim Phillips <kim.phillips@freescale.com>
diff --git a/arch/powerpc/cpu/mpc83xx/cpu_init.c b/arch/powerpc/cpu/mpc83xx/cpu_init.c
index 76afba5..20d0600 100644
--- a/arch/powerpc/cpu/mpc83xx/cpu_init.c
+++ b/arch/powerpc/cpu/mpc83xx/cpu_init.c
@@ -268,6 +268,9 @@
 #ifdef CONFIG_SYS_SICRL
 	__raw_writel(CONFIG_SYS_SICRL, &im->sysconf.sicrl);
 #endif
+#ifdef CONFIG_SYS_GPR1
+	__raw_writel(CONFIG_SYS_GPR1, &im->sysconf.gpr1);
+#endif
 #ifdef CONFIG_SYS_DDRCDR /* DDR control driver register */
 	__raw_writel(CONFIG_SYS_DDRCDR, &im->sysconf.ddrcdr);
 #endif