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>

src/southbridge/amd/agesa/hudson/hudson.c

@@ -30,7 +30,7 @@
 #include "hudson.h"
 #include "smbus.h"
 
-#if CONFIG_HAVE_ACPI_RESUME == 1
+#if CONFIG_HAVE_ACPI_RESUME
 int acpi_get_sleep_type(void)
 {
 	u16 tmp = inw(PM1_CNT_BLK_ADDRESS);