Use standard app crypto helper to simplify io_seproxyhal_touch_tx_ok

Makefile

@@ -266,6 +266,9 @@ else
     APP_SOURCE_PATH += src_bagl
 endif
 
+# Allow usage of function from lib_standard_app/crypto_helpers.c
+APP_SOURCE_FILES += ${BOLOS_SDK}/lib_standard_app/crypto_helpers.c
+
 ### initialize plugin SDK submodule if needed, rebuild it, and warn if a difference is noticed
 ifeq ($(CHAIN),ethereum)
     ifneq ($(shell git submodule status | grep '^[-+]'),)