configs: am335x_evm: Enable SPL_DM

Enable SPL_DM on all AM335x based TI platforms.

http://patchwork.ozlabs.org/patch/751300/
Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>

arch/arm/mach-omap2/am33xx/Kconfig

@@ -29,6 +29,11 @@ config TARGET_AM335X_EVM
 	imply SPL_SERIAL_SUPPORT
 	imply SPL_WATCHDOG_SUPPORT
 	imply SPL_YMODEM_SUPPORT
+	imply SPL_SYS_MALLOC_SIMPLE
+	imply SPL_SEPARATE_BSS
+	imply SPL_DM
+	imply SPL_DM_SEQ_ALIAS
+	imply SPL_OF_LIBFDT
 	help
 	  This option specifies support for the AM335x
 	  GP and HS EVM development platforms. The AM335x

include/configs/am335x_evm.h

@@ -291,7 +291,6 @@
  * DM support in SPL
  */
 #ifdef CONFIG_SPL_BUILD
-#undef CONFIG_DM_MMC
 #undef CONFIG_TIMER
 #undef CONFIG_DM_USB
 #endif

include/configs/ti_am335x_common.h

@@ -22,8 +22,10 @@
 /* NS16550 Configuration */
 #ifdef CONFIG_SPL_BUILD
 #define CONFIG_SYS_NS16550_SERIAL
+#ifndef CONFIG_DM_SERIAL
 #define CONFIG_SYS_NS16550_REG_SIZE	(-4)
 #endif
+#endif
 #define CONFIG_SYS_NS16550_CLK		48000000
 
 #ifndef CONFIG_SPL_BUILD