mb/google/hades: move PCIEXP_SUPPORT_RESIZABLE_BARS to common

All the variant will use the same dGPU, so make PCIEXP_SUPPORT_RESIZABLE_BARS common.

BUG=b:277974986
TEST=abuild -a -x -c max -p none -t google/brya -b hades

Signed-off-by: Eric Lai <eric_lai@quanta.corp-partner.google.com>
Change-Id: If8618f2da3133c6b52427375c55a69d7014c4881
Reviewed-on: https://review.coreboot.org/c/coreboot/+/74371
Reviewed-by: Tarun Tuli <taruntuli@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Ivy Jian <ivy.jian@quanta.corp-partner.google.com>
diff --git a/src/mainboard/google/brya/Kconfig b/src/mainboard/google/brya/Kconfig
index e588524..7078d5e 100644
--- a/src/mainboard/google/brya/Kconfig
+++ b/src/mainboard/google/brya/Kconfig
@@ -68,6 +68,7 @@
 	select BOARD_ROMSIZE_KB_32768
 	select HAVE_SLP_S0_GATE
 	select MEMORY_SODIMM
+	select PCIEXP_SUPPORT_RESIZABLE_BARS
 	select SOC_INTEL_ALDERLAKE_PCH_P
 	select SOC_INTEL_RAPTORLAKE
 	select SYSTEM_TYPE_LAPTOP