mb/google/nissa/var/sundance: Add WWAN power off sequence

Sundance support FM101 WWAN, use wwan_power.asl to handle the
power off sequence

BUG=b:343139385
TEST=Build and boot on sundance

Change-Id: I82085172db370ab5a6c0f77afe6042c53b89e43e
Signed-off-by: Leo Chou <leo.chou@lcfc.corp-partner.google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/82683
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Eric Lai <ericllai@google.com>
diff --git a/src/mainboard/google/brya/Kconfig b/src/mainboard/google/brya/Kconfig
index fcc2e63..366d2dd 100644
--- a/src/mainboard/google/brya/Kconfig
+++ b/src/mainboard/google/brya/Kconfig
@@ -413,6 +413,7 @@
 config BOARD_GOOGLE_SUNDANCE
 	select BOARD_GOOGLE_BASEBOARD_NISSA
 	select DRIVERS_GENERIC_GPIO_KEYS
+	select HAVE_WWAN_POWER_SEQUENCE
 
 config BOARD_GOOGLE_PUJJOGA
 	select BOARD_GOOGLE_BASEBOARD_NISSA