soc/intel/meteorlake: Increase PRERAM_CBMEM_CONSOLE_SIZE to 8KB

This patch increases PRERAM_CBMEM_CONSOLE_SIZE from 5KB to 8KB to fix
cbmem buffer overflow issue.

Test=Boot MTL simics and check cbmem -c | grep 'CBFS: Found'
lists all stages.

Signed-off-by: Subrata Banik <subratabanik@google.com>
Change-Id: I5dc5d5b99003b59b2262bd1e4eb5ccb11d721195
Reviewed-on: https://review.coreboot.org/c/coreboot/+/64791
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Paul Menzel <paulepanter@mailbox.org>
Reviewed-by: Eric Lai <eric_lai@quanta.corp-partner.google.com>
Reviewed-by: Tarun Tuli <taruntuli@google.com>

src/soc/intel/meteorlake/Kconfig

@@ -127,6 +127,6 @@ config CBFS_SIZE
 
 config PRERAM_CBMEM_CONSOLE_SIZE
 	hex
-	default 0x1400
+	default 0x2000
 
 endif