soc/intel: Replace UART_BASE() and friends with a Kconfig

Re-add the Kconfig CONSOLE_UART_BASE_ADDRESS. It was lost by accident
on APL at least. It is used outside of soc/intel/ scope, e.g. to con-
figure SeaBIOS.

As we only ever configure a single UART for the coreboot console, we
don't need different addresses for each possible UART. Which saves
us a lot of code.

Change-Id: I28e1d98aa37a6acb57b98b8882fc4fa131d5d309
Signed-off-by: Nico Huber <nico.h@gmx.de>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/33098
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Patrick Rudolph <siro@das-labor.org>

src/soc/intel/icelake/Kconfig

@@ -138,6 +138,11 @@ config SOC_INTEL_UART_DEV_MAX
 	int
 	default 3
 
+config CONSOLE_UART_BASE_ADDRESS
+	hex
+	default 0xfe032000
+	depends on INTEL_LPSS_UART_FOR_CONSOLE
+
 # Clock divider parameters for 115200 baud rate
 config SOC_INTEL_COMMON_LPSS_UART_CLK_M_VAL
 	hex