soc/intel/xeon_sp/spr: Bump MAX_ACPI_TABLE_SIZE_KB

When using Intel(R) Xeon(R) Platinum 8490H on IBM/SBP1 the platform runs
with 480 cores. With 480 cores coreboot needs at least 440KiB for ACPI
tables. Bump the config to 512 KiB to have some free space for future
changes.

Change-Id: I2c0bbc36f45aab921f3189459de4438a0cd5dd1f
Signed-off-by: Patrick Rudolph <patrick.rudolph@9elements.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/77715
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Naresh <naresh.solanki.2011@gmail.com>
diff --git a/src/soc/intel/xeon_sp/spr/Kconfig b/src/soc/intel/xeon_sp/spr/Kconfig
index dac093f..b1c4c78 100644
--- a/src/soc/intel/xeon_sp/spr/Kconfig
+++ b/src/soc/intel/xeon_sp/spr/Kconfig
@@ -145,7 +145,7 @@
 
 config MAX_ACPI_TABLE_SIZE_KB
 	int
-	default 400 if MAX_SOCKET = 4
+	default 512 if MAX_SOCKET = 4
 	default 224
 
 config FIXED_SMBUS_IO_BASE