configs/config.foxconn_g41m: Build test with X86_64

Change-Id: I755f2037bc9368e610eb97a2633aa66da7f626b0
Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/56042
Reviewed-by: Patrick Rudolph <siro@das-labor.org>
Reviewed-by: Paul Menzel <paulepanter@mailbox.org>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

configs/config.foxconn_g41m

@@ -0,0 +1,3 @@
+CONFIG_VENDOR_FOXCONN=y
+CONFIG_BOARD_FOXCONN_G41M=y
+CONFIG_USE_EXP_X86_64_SUPPORT=y