soc/amd/picasso: Change header guards from stoney to picasso

TEST=None
BUG=b:130804851

Signed-off-by: Martin Roth <martinroth@chromium.org>
Change-Id: I32b7dbeae7538884311ccfc3a0e8db63c48fe356
Reviewed-on: https://review.coreboot.org/c/coreboot/+/32409
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Richard Spiegel <richard.spiegel@silverbackltd.com>
Reviewed-by: Edward O'Callaghan <quasisec@chromium.org>
Reviewed-by: HAOUAS Elyes <ehaouas@noos.fr>

src/soc/amd/picasso/chip.h

@@ -13,8 +13,8 @@
  * GNU General Public License for more details.
  */
 
-#ifndef __STONEYRIDGE_CHIP_H__
-#define __STONEYRIDGE_CHIP_H__
+#ifndef __PICASSO_CHIP_H__
+#define __PICASSO_CHIP_H__
 
 #include <stddef.h>
 #include <stdint.h>
@@ -78,4 +78,4 @@ typedef struct soc_amd_stoneyridge_config config_t;
 
 extern struct device_operations pci_domain_ops;
 
-#endif /* __STONEYRIDGE_CHIP_H__ */
+#endif /* __PICASSO_CHIP_H__ */