Revert "ARM: da850evm_direct_nor_defconfig: Enable DM_SERIAL"

This commit is breaking several variants of da850, so:

This reverts commit 5f389201dece76b484443773dce2525dc205f5a1.

Signed-off-by: Tom Rini <trini@konsulko.com>
diff --git a/arch/arm/mach-davinci/da850_lowlevel.c b/arch/arm/mach-davinci/da850_lowlevel.c
index 8ceb177..95dc93a 100644
--- a/arch/arm/mach-davinci/da850_lowlevel.c
+++ b/arch/arm/mach-davinci/da850_lowlevel.c
@@ -288,10 +288,10 @@
 	/* GPIO setup */
 	board_gpio_init();
 
-#if !defined(CONFIG_DM_SERIAL)
+
 	NS16550_init((NS16550_t)(CONFIG_SYS_NS16550_COM1),
 			CONFIG_SYS_NS16550_CLK / 16 / CONFIG_BAUDRATE);
-#endif
+
 	/*
 	 * Fix Power and Emulation Management Register
 	 * see sprufw3a.pdf page 37 Table 24