mb/amd/bilby: Use Picasso VBIOS as default

use PicassoGenericVbios.bin as default instead of raven VBIOS for
Bilby.

Change-Id: I99621173a33a1154f8bb4929d199288265bbe04d
Signed-off-by: Ritul Guru <ritul.bits@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/52209
Reviewed-by: Felix Held <felix-coreboot@felixheld.de>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
diff --git a/src/mainboard/amd/bilby/Kconfig b/src/mainboard/amd/bilby/Kconfig
index 9f125b7..6c25f2a 100644
--- a/src/mainboard/amd/bilby/Kconfig
+++ b/src/mainboard/amd/bilby/Kconfig
@@ -98,7 +98,7 @@
 
 config VGA_BIOS_DGPU_FILE
 	string
-	default "3rdparty/amd_blobs/picasso/Raven2GenericVbios.bin"
+	default "3rdparty/amd_blobs/picasso/PicassoGenericVbios.bin"
 
 config EFS_SPI_READ_MODE
 	int