ARM: SPL: Move gpmc_init() to spl_board_init()

This is an OMAP/related-specific function, move calling it to
spl_board_init() and turn on CONFIG_SPL_BOARD_INIT on the boards that
enabled NAND and didn't enable this already.

Signed-off-by: Tom Rini <trini@ti.com>
diff --git a/arch/arm/cpu/armv7/omap-common/boot-common.c b/arch/arm/cpu/armv7/omap-common/boot-common.c
index 3406cfb..ed398fd 100644
--- a/arch/arm/cpu/armv7/omap-common/boot-common.c
+++ b/arch/arm/cpu/armv7/omap-common/boot-common.c
@@ -49,6 +49,13 @@
 	return omap_bootmode;
 }
 
+void spl_board_init(void)
+{
+#ifdef CONFIG_SPL_NAND_SUPPORT
+	gpmc_init();
+#endif
+}
+
 int board_mmc_init(bd_t *bis)
 {
 	switch (spl_boot_device()) {
diff --git a/arch/arm/cpu/armv7/omap-common/spl_nand.c b/arch/arm/cpu/armv7/omap-common/spl_nand.c
index 3e2f359..1e6b5f0 100644
--- a/arch/arm/cpu/armv7/omap-common/spl_nand.c
+++ b/arch/arm/cpu/armv7/omap-common/spl_nand.c
@@ -35,7 +35,6 @@
 	int *dst __attribute__((unused));
 
 	debug("spl: nand - using hw ecc\n");
-	gpmc_init();
 	nand_init();
 
 	/*use CONFIG_SYS_TEXT_BASE as temporary storage area */
diff --git a/arch/arm/cpu/armv7/omap3/board.c b/arch/arm/cpu/armv7/omap3/board.c
index 3d74f09..52196c8 100644
--- a/arch/arm/cpu/armv7/omap3/board.c
+++ b/arch/arm/cpu/armv7/omap3/board.c
@@ -106,6 +106,9 @@
 
 void spl_board_init(void)
 {
+#ifdef CONFIG_SPL_NAND_SUPPORT
+	gpmc_init();
+#endif
 #ifdef CONFIG_SPL_I2C_SUPPORT
 	i2c_init(CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE);
 #endif