Dove: Fix Section mismatch warnings

Add missing __init markups to GPIO and timer functions.

Signed-off-by: Andrew Lunn <andrew@lunn.ch>
diff --git a/arch/arm/mach-dove/common.c b/arch/arm/mach-dove/common.c
index bda7aca..42ab1e7 100644
--- a/arch/arm/mach-dove/common.c
+++ b/arch/arm/mach-dove/common.c
@@ -181,7 +181,7 @@
 	return 166666667;
 }
 
-static void dove_timer_init(void)
+static void __init dove_timer_init(void)
 {
 	orion_time_init(BRIDGE_VIRT_BASE, BRIDGE_INT_TIMER1_CLR,
 			IRQ_DOVE_BRIDGE, get_tclk());