omap: detect the board after DM is available

In order to use DM_I2C, we need to move the board detection after the
early SPL initialization.
Signed-off-by: NJean-Jacques Hiblot <jjhiblot@ti.com>
Reviewed-by: NTom Rini <trini@konsulko.com>
Reviewed-by: NHeiko Schocher <hs@denx.de>

arch/arm/mach-omap2/am33xx/board.c

@@ -472,12 +472,15 @@ void early_system_init(void)
 #ifdef CONFIG_DEBUG_UART_OMAP
 	debug_uart_init();
 #endif
-#ifdef CONFIG_TI_I2C_BOARD_DETECT
-	do_board_detect();
-#endif
+
 #ifdef CONFIG_SPL_BUILD
 	spl_early_init();
 #endif
+
+#ifdef CONFIG_TI_I2C_BOARD_DETECT
+	do_board_detect();
+#endif
+
 #if defined(CONFIG_SPL_AM33XX_ENABLE_RTC32K_OSC)
 	/* Enable RTC32K clock */
 	rtc32k_enable();

arch/arm/mach-omap2/hwinit-common.c

@@ -193,11 +193,10 @@ void early_system_init(void)
 	 * to prevent overwrites.
 	 */
 	save_omap_boot_params();
-#endif
-	do_board_detect();
-#ifdef CONFIG_SPL_BUILD
 	spl_early_init();
 #endif
+	do_board_detect();
+
 	vcores_init();
 #ifdef CONFIG_DEBUG_UART_OMAP
 	debug_uart_init();