soc/amd/common/root_complex: move IOHC_MMIO_EN definition to header

To be able to use the IOHC_MMIO_EN define in other compilation units,
move the define to the corresponding header file.

Signed-off-by: Felix Held <felix-coreboot@felixheld.de>
Change-Id: If88950418406d1709ed95b3d05f7e6ad66438f95
Reviewed-on: https://review.coreboot.org/c/coreboot/+/83444
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Martin Roth <martin.roth@amd.corp-partner.google.com>
Reviewed-by: Varshit Pandya <pandyavarshit@gmail.com>

src/soc/amd/common/block/include/amdblocks/root_complex.h

@@ -11,6 +11,8 @@
 #define SMN_IOHC_MISC_BASE_13D1	0x13d10000
 #define SMN_IOHC_MISC_BASE_13E1	0x13e10000
 
+#define IOHC_MMIO_EN	BIT(0)
+
 #define NON_PCI_RES_IDX_AUTO	0
 
 struct non_pci_mmio_reg {

src/soc/amd/common/block/root_complex/non_pci_resources.c

@@ -5,8 +5,6 @@
 #include <device/device.h>
 #include <types.h>
 
-#define IOHC_MMIO_EN	BIT(0)
-
 void read_non_pci_resources(struct device *domain, unsigned long *idx)
 {
 	const uint32_t iohc_misc_base = get_iohc_misc_smn_base(domain);