board: starqltechn: enable serial console

It was temporary disabled due to problem with boot.
Issue was fixed in
commit f5ed6c9ccf3e ("uart: sdm845: Fix debug UART pinmux")

Signed-off-by: Dzmitry Sankouski <dsankouski@gmail.com>
diff --git a/configs/starqltechn_defconfig b/configs/starqltechn_defconfig
index 7955076..7a64f2a 100644
--- a/configs/starqltechn_defconfig
+++ b/configs/starqltechn_defconfig
@@ -20,14 +20,14 @@
 CONFIG_CMD_GPIO=y
 CONFIG_CMD_BMP=y
 # CONFIG_NET is not set
-# CONFIG_DM_STDIO is not set
 CONFIG_CLK=y
 CONFIG_MSM_GPIO=y
 CONFIG_QCOM_PMIC_GPIO=y
 CONFIG_PINCTRL=y
 CONFIG_DM_PMIC=y
 CONFIG_PMIC_QCOM=y
-# CONFIG_REQUIRE_SERIAL_CONSOLE is not set
+CONFIG_REQUIRE_SERIAL_CONSOLE=y
+CONFIG_MSM_GENI_SERIAL=y
 CONFIG_SPMI_MSM=y
 CONFIG_VIDEO=y
 CONFIG_SYS_WHITE_ON_BLACK=y