Unify use of bool config variables

e.g.
-#if CONFIG_LOGICAL_CPUS == 1
+#if CONFIG_LOGICAL_CPUS

This will make it easier to switch over to use the config_enabled()
macro later on.

Change-Id: I0bcf223669318a7b1105534087c7675a74c1dd8a
Signed-off-by: Stefan Reinauer <reinauer@google.com>
Reviewed-on: http://review.coreboot.org/1874
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <patrick@georgi-clan.de>
diff --git a/src/devices/pci_device.c b/src/devices/pci_device.c
index 94f68ea..e2a4940 100644
--- a/src/devices/pci_device.c
+++ b/src/devices/pci_device.c
@@ -663,7 +663,7 @@
 /** Default handler: only runs the relevant PCI BIOS. */
 void pci_dev_init(struct device *dev)
 {
-#if CONFIG_PCI_ROM_RUN == 1 || CONFIG_VGA_ROM_RUN == 1
+#if CONFIG_PCI_ROM_RUN || CONFIG_VGA_ROM_RUN
 	struct rom_header *rom, *ram;
 
 	if (CONFIG_PCI_ROM_RUN != 1 && /* Only execute VGA ROMs. */