soc/intel/denverton_ns: Drop redundant `DEFAULT_ACPI_BASE`

It is only used in one place, and there's two other equivalent macros.

Change-Id: I7c8241e28f688abd2df8180559dd02ee441c7023
Signed-off-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/49282
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Arthur Heymans <arthur@aheymans.xyz>

src/soc/intel/denverton_ns/include/soc/iomap.h

@@ -12,7 +12,6 @@
 
 /* Southbridge internal device IO BARs (Set to match FSP settings) */
 #define DEFAULT_PMBASE 0x1800
-#define DEFAULT_ACPI_BASE DEFAULT_PMBASE
 #define ACPI_BASE_ADDRESS DEFAULT_PMBASE
 #define DEFAULT_TCO_BASE 0x400
 

src/soc/intel/denverton_ns/pmc.c

@@ -16,7 +16,7 @@
 /* While we read BAR dynamically in case it changed, let's
  * initialize it with a same value
  */
-static u16 acpi_base = DEFAULT_ACPI_BASE;
+static u16 acpi_base = ACPI_BASE_ADDRESS;
 static u32 pwrm_base = DEFAULT_PWRM_BASE;
 
 static void pch_power_options(struct device *dev) { /* TODO */ }