mb/google/hatch: Move SD card detect GPIO.

Not all Hatch variants utilize the SoC's native SD card support. Move
the support to board-specific variants instead of the base device tree.

BUG=none
BRANCH=none
TEST=compiles (no Hatch device to test with)

Change-Id: Iae24114aad2c4d042c25da6f8cb740ccc8960082
Signed-off-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/32417
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
Reviewed-by: Furquan Shaikh <furquan@google.com>
Reviewed-by: Paul Fagerburg <pfagerburg@chromium.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

src/mainboard/google/hatch/variants/baseboard/devicetree.cb

@@ -77,9 +77,6 @@ chip soc/intel/cannonlake
 	# ClkReq-to-ClkSrc mapping for CLK SRC 1
 	register "PcieClkSrcClkReq[1]" = "1"
 
-	# GPIO for SD card detect
-	register "sdcard_cd_gpio" = "vSD3_CD_B"
-
 	# PCIe port 14 for M.2 E-key WLAN
 	register "PcieRpEnable[13]" = "1"
 	# RP 14 uses CLK SRC 3

src/mainboard/google/hatch/variants/hatch/overridetree.cb

@@ -44,6 +44,9 @@ chip soc/intel/cannonlake
 		},
 	}"
 
+	# GPIO for SD card detect
+	register "sdcard_cd_gpio" = "vSD3_CD_B"
+
 	device domain 0 on
 		device pci 15.0 on
 			chip drivers/i2c/generic

src/mainboard/google/hatch/variants/hatch_whl/overridetree.cb

@@ -29,6 +29,9 @@ chip soc/intel/cannonlake
 		},
 	}"
 
+	# GPIO for SD card detect
+	register "sdcard_cd_gpio" = "vSD3_CD_B"
+
 	device domain 0 on
 		device pci 15.0 on
 			chip drivers/i2c/generic