ARM: OMAP: Merge gpmc changes from N800 tree

This patch merges gpmc changes from N800 tree
and adds gpmc_get_fclk_period() to gpmc.h.

Signed-off-by: Kai Svahn <kai.svahn@nokia.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
diff --git a/include/asm-arm/arch-omap/gpmc.h b/include/asm-arm/arch-omap/gpmc.h
index 434672d..6a8e07f 100644
--- a/include/asm-arm/arch-omap/gpmc.h
+++ b/include/asm-arm/arch-omap/gpmc.h
@@ -81,6 +81,8 @@
 };
 
 extern unsigned int gpmc_ns_to_ticks(unsigned int time_ns);
+extern unsigned int gpmc_round_ns_to_ticks(unsigned int time_ns);
+extern unsigned long gpmc_get_fclk_period(void);
 
 extern void gpmc_cs_write_reg(int cs, int idx, u32 val);
 extern u32 gpmc_cs_read_reg(int cs, int idx);