Makefile: update baking app flags

Makefile

@@ -6,11 +6,11 @@ include $(BOLOS_SDK)/Makefile.defines
 APPNAME = "Tezos Baking"
 
 
-ifeq ($(TARGET_NAME), TARGET_NANOS)
-APP_LOAD_FLAGS=--appFlags 0x800  # APPLICATION_FLAG_LIBRARY
-else
-APP_LOAD_FLAGS=--appFlags 0xa40  # APPLICATION_FLAG_LIBRARY + APPLICATION_FLAG_BOLOS_SETTINGS + BLE SUPPORT
-endif
+# See: https://developers.ledger.com/docs/device-app/architecture/flags#application-flags
+# APPLICATION_FLAG_GLOBAL_PIN: Required for pin validation
+# APPLICATION_FLAG_BOLOS_SETTINGS: Required for lock screen settings
+APP_LOAD_FLAGS=--appFlags 0x240
+
 APP_LOAD_PARAMS=$(APP_LOAD_FLAGS) --curve ed25519 --curve secp256k1 --curve secp256r1 --path "44'/1729'" $(COMMON_LOAD_PARAMS)
 
 GIT_DESCRIBE ?= $(shell git describe --tags --abbrev=8 --always --long --dirty 2>/dev/null)