OMAP3: SPL: do not call I2C init if no I2C is set.

Call i2c initialization in spl_board_init only if I2C
is configured for the board.
Signed-off-by: NStefano Babic <sbabic@denx.de>
CC: Tom Rini <tom.rini@gmail.com>
CC: Wolfgang Denk <wd@denx.de>
CC: Simon Schwarz <simonschwarzcor@gmail.com>

arch/arm/cpu/armv7/omap3/board.c

@@ -92,7 +92,9 @@ u32 omap_boot_device(void)
 
 void spl_board_init(void)
 {
+#ifdef CONFIG_SPL_I2C_SUPPORT
 	i2c_init(CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE);
+#endif
 }
 #endif /* CONFIG_SPL_BUILD */