mainboard/{google,intel}: Change config option selection

Change config option selection from "config xyz default y" to "select
xyz" if the config option has no dependencies.

BUG=None
BRANCH=None
TEST=Verified that config option selection remains unchanged.

Change-Id: I259ae40623b7f4d5589e2caa0988419ba4fefda4
Signed-off-by: Furquan Shaikh <furquan@chromium.org>
Reviewed-on: https://review.coreboot.org/18400
Tested-by: build bot (Jenkins)
Reviewed-by: Duncan Laurie <dlaurie@chromium.org>
diff --git a/src/mainboard/google/lars/Kconfig b/src/mainboard/google/lars/Kconfig
index 30abfa9..73d502c 100644
--- a/src/mainboard/google/lars/Kconfig
+++ b/src/mainboard/google/lars/Kconfig
@@ -4,6 +4,9 @@
 	def_bool y
 	select BOARD_ID_AUTO
 	select BOARD_ROMSIZE_KB_16384
+	select DRIVERS_GENERIC_MAX98357A
+	select DRIVERS_I2C_GENERIC
+	select DRIVERS_I2C_NAU8825
 	select EC_GOOGLE_CHROMEEC
 	select EC_GOOGLE_CHROMEEC_ACPI_MEMMAP
 	select EC_GOOGLE_CHROMEEC_LPC
@@ -23,15 +26,6 @@
 	select EC_GOOGLE_CHROMEEC_SWITCHES
 	select LID_SWITCH
 
-config DRIVERS_GENERIC_MAX98357A
-	default y
-
-config DRIVERS_I2C_GENERIC
-	default y
-
-config DRIVERS_I2C_NAU8825
-	default y
-
 config IRQ_SLOT_COUNT
 	int
 	default 18