{include,mb,soc,sb,vendorcode}: Make hexadecimal notation consistent

Convert 0X -> 0x

Signed-off-by: Subrata Banik <subrata.banik@intel.com>
Change-Id: Iea3ca67908135d0e85083a05bad2ea176ca34095
Reviewed-on: https://review.coreboot.org/c/coreboot/+/44926
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: HAOUAS Elyes <ehaouas@noos.fr>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>

src/soc/intel/quark/include/soc/cpu.h

@@ -6,6 +6,6 @@
 #include <device/device.h>
 
 /* Supported CPUIDs */
-#define CPUID_QUARK_X1000	0X590
+#define CPUID_QUARK_X1000	0x590
 
 #endif /* _QUARK_CPU_H_ */

src/soc/intel/quark/include/soc/pci_devs.h

@@ -13,7 +13,7 @@
 #define I2CGPIO_DEVID		0x0934
 #define HSUART_DEVID		0x0936
 #define EHCI_DEVID		0x0939
-#define LPC_DEVID		0X095E
+#define LPC_DEVID		0x095E
 #define PCIE_PORT0_DEVID	0x11c3
 #define PCIE_PORT1_DEVID	0x11c4