soc/intel/xeon_sp: Use common gpio.h include

Replace the intelblocks/gpio.h, soc/gpio.h and soc/gpio_defs.h includes
with the common gpio.h which includes soc/gpio.h which includes
intelblocks/gpio.h which includes soc/gpio_defs.h. This patch also fixes
alphabetic ordering of included headers.

BUG=b:261778357
TEST=Able to build and boot.

Signed-off-by: Dinesh Gehlot <digehlot@google.com>
Change-Id: I8135dc918cb04c854dc003966b7657806a42bad9
Reviewed-on: https://review.coreboot.org/c/coreboot/+/72042
Reviewed-by: Elyes Haouas <ehaouas@noos.fr>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Eric Lai <eric_lai@quanta.corp-partner.google.com>
diff --git a/src/soc/intel/xeon_sp/cpx/chip.c b/src/soc/intel/xeon_sp/cpx/chip.c
index 15bd5de..21d6e17 100644
--- a/src/soc/intel/xeon_sp/cpx/chip.c
+++ b/src/soc/intel/xeon_sp/cpx/chip.c
@@ -6,8 +6,8 @@
 #include <cpu/x86/mp.h>
 #include <device/pci.h>
 #include <device/pci_ids.h>
+#include <gpio.h>
 #include <intelblocks/acpi.h>
-#include <intelblocks/gpio.h>
 #include <intelblocks/lpc_lib.h>
 #include <intelblocks/p2sb.h>
 #include <soc/acpi.h>