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>
diff --git a/src/drivers/uart/Makefile.inc b/src/drivers/uart/Makefile.inc
index 5164282..c4feb9a 100644
--- a/src/drivers/uart/Makefile.inc
+++ b/src/drivers/uart/Makefile.inc
@@ -25,6 +25,6 @@
 
 ifeq ($(CONFIG_DRIVERS_UART_PL011),y)
 bootblock-$(CONFIG_BOOTBLOCK_CONSOLE) += pl011.c
-romstage-$(CONFIG_EARLY_CONSOLE) += pl011.c
+romstage-y += pl011.c
 ramstage-y += pl011.c
 endif