device/pci_rom: Convert #if to C code

No reason to use the preprocessor for this.

BUG=none
TEST=build guybrush

Signed-off-by: Raul E Rangel <rrangel@chromium.org>
Change-Id: I920dfa2d27c2eb27e8bc50c615ccd13601610fd7
Reviewed-on: https://review.coreboot.org/c/coreboot/+/56400
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Karthik Ramasubramanian <kramasub@google.com>
diff --git a/src/device/pci_rom.c b/src/device/pci_rom.c
index 106b5f9..fe7c1cf 100644
--- a/src/device/pci_rom.c
+++ b/src/device/pci_rom.c
@@ -78,11 +78,9 @@
 		rom_address = pci_read_config32(dev, PCI_ROM_ADDRESS);
 
 		if (rom_address == 0x00000000 || rom_address == 0xffffffff) {
-#if CONFIG(CPU_QEMU_X86)
-			if ((dev->class >> 8) == PCI_CLASS_DISPLAY_VGA)
+			if (CONFIG(CPU_QEMU_X86) && (dev->class >> 8) == PCI_CLASS_DISPLAY_VGA)
 				rom_address = 0xc0000;
 			else
-#endif
 				return NULL;
 		} else {
 			/* Enable expansion ROM address decoding. */