drivers/intel/fsp1_1,fsp2_0: Refactor logo display

Hide the detail of allocation from cbmem from the FSP.

Loading of a BMP logo file from CBFS is not tied to FSP
version and we do not need two copies of the code, move
it under lib/.

Change-Id: I909f2771af534993cf8ba99ff0acd0bbd2c78f04
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/50359
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
diff --git a/src/soc/intel/skylake/chip.c b/src/soc/intel/skylake/chip.c
index 88f432d..cb0fa2a 100644
--- a/src/soc/intel/skylake/chip.c
+++ b/src/soc/intel/skylake/chip.c
@@ -1,5 +1,6 @@
 /* SPDX-License-Identifier: GPL-2.0-only */
 
+#include <bootsplash.h>
 #include <cbmem.h>
 #include <fsp/api.h>
 #include <acpi/acpi.h>
@@ -443,7 +444,7 @@
 }
 
 /* Handle FSP logo params */
-const struct cbmem_entry *soc_load_logo(FSPS_UPD *supd)
+void soc_load_logo(FSPS_UPD *supd)
 {
-	return fsp_load_logo(&supd->FspsConfig.LogoPtr, &supd->FspsConfig.LogoSize);
+	bmp_load_logo(&supd->FspsConfig.LogoPtr, &supd->FspsConfig.LogoSize);
 }