console: fix Kconfig uses

While upstreaming, some old (or downstream) names sneaked in.

Change-Id: I148fd8f46bc88c38ce1f62efe5771555bd5dcc5c
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Reviewed-on: http://review.coreboot.org/9350
Tested-by: build bot (Jenkins)
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>

src/soc/intel/broadwell/romstage/Makefile.inc

@@ -10,4 +10,4 @@ romstage-y += smbus.c
 romstage-y += spi.c
 romstage-y += stack.c
 romstage-y += systemagent.c
-romstage-$(CONFIG_CONSOLE_SERIAL8250MEM) += uart.c
+romstage-$(CONFIG_DRIVERS_UART_8250MEM) += uart.c

src/soc/rockchip/rk3288/Makefile.inc

@@ -36,7 +36,7 @@ bootblock-y += rk808.c
 verstage-y += monotonic_timer.c
 verstage-y += spi.c
 verstage-y += timer.c
-verstage-$(CONFIG_CONSOLE_SERIAL_UART) += uart.c
+verstage-$(CONFIG_DRIVERS_UART) += uart.c
 verstage-y += gpio.c
 verstage-y += clock.c
 verstage-y += i2c.c

src/soc/rockchip/rk3288/bootblock.c

@@ -31,7 +31,7 @@ static void bootblock_cpu_init(void)
 {
 	rk3288_init_timer();
 
-	if (IS_ENABLED(CONFIG_CONSOLE_SERIAL_UART)) {
+	if (IS_ENABLED(CONFIG_DRIVERS_UART)) {
 		switch (CONFIG_CONSOLE_SERIAL_UART_ADDRESS) {
 		case UART2_BASE:
 			writel(IOMUX_UART2, &rk3288_grf->iomux_uart2);