soc/amd/picasso: remove config_t typedef

Change-Id: Idc0061e7b88134ab17cb65429133cffd16ca5651
Signed-off-by: Felix Held <felix-coreboot@felixheld.de>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/48316
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Marshall Dawson <marshalldawson3rd@gmail.com>

src/soc/amd/picasso/root_complex.c

@@ -195,7 +195,7 @@ static void dptc_call_alib(const char *buf_name, uint8_t *buffer, size_t size)
 
 static void acipgen_dptci(void)
 {
-	const config_t *config = config_of_soc();
+	const struct soc_amd_picasso_config *config = config_of_soc();
 
 	if (!config->dptc_enable)
 		return;