console: Drop EARLY_CONSOLE option

We have means to easily disable a specific console in romstage if
necessary, so this global option makes little sense.

The option was initially introduced as a work-around for build issues
around CACHE_AS_RAM, ROMCC and ARCH_ARMV7 dependencies for UARTs.

Change-Id: I797bdd11a48ddd813d3ee7ccef9a0c050f16f669
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: http://review.coreboot.org/5607
Tested-by: build bot (Jenkins)
Reviewed-by: David Hendricks <dhendrix@chromium.org>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>

src/mainboard/aopen/dxplplusu/romstage.c

@@ -70,7 +70,7 @@ void main(unsigned long bist)
 		 * scrub_ecc() are recovered to stack via xmm0-xmm3.
 		 */
 #if CONFIG_HW_SCRUBBER
-#if ! ( CONFIG_USBDEBUG && CONFIG_EARLY_CONSOLE )
+#if !CONFIG_USBDEBUG_IN_ROMSTAGE
 		unsigned long ret_addr = (unsigned long)((unsigned long*)&bist - 1);
 		e7505_mch_scrub_ecc(ret_addr);
 #endif

src/mainboard/dmp/vortex86ex/Kconfig

@@ -28,7 +28,6 @@ config BOARD_SPECIFIC_OPTIONS # dummy
 	select HAVE_PIRQ_TABLE
 	select BOARD_ROMSIZE_KB_256
 	select ROMCC
-	select DEFAULT_EARLY_CONSOLE
 	select HAVE_DEBUG_RAM_SETUP
 
 config MAINBOARD_DIR