{sb,soc}/intel/**/*.c: Use macros for PCI COMMAND bits

We have definitions for the bits in the PCI COMMAND register. Use them.
Also add spaces around bitwise operators, to comply with the code style.

Change-Id: Icc9c06597b340fc63fa583dd935e42e61ad9fbe5
Signed-off-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/43839
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
diff --git a/src/southbridge/intel/ibexpeak/lpc.c b/src/southbridge/intel/ibexpeak/lpc.c
index 7e99613..230d5eb 100644
--- a/src/southbridge/intel/ibexpeak/lpc.c
+++ b/src/southbridge/intel/ibexpeak/lpc.c
@@ -439,7 +439,9 @@
 	printk(BIOS_DEBUG, "pch: %s\n", __func__);
 
 	/* Set the value for PCI command register. */
-	pci_write_config16(dev, PCI_COMMAND, 0x000f);
+	pci_write_config16(dev, PCI_COMMAND,
+			   PCI_COMMAND_MASTER | PCI_COMMAND_SPECIAL |
+			   PCI_COMMAND_MEMORY | PCI_COMMAND_IO);
 
 	/* IO APIC initialization. */
 	pch_enable_ioapic(dev);