esp32/Makefile: Add SDKCONFIG_H to QSTR_GLOBAL_REQUIREMENTS.
Fixes issue
@@ -25,6 +25,7 @@ include $(BOARD_DIR)/mpconfigboard.mk
# qstr definitions (must come before including py.mk)
QSTR_DEFS = qstrdefsport.h
QSTR_GLOBAL_DEPENDENCIES = $(BOARD_DIR)/mpconfigboard.h
+QSTR_GLOBAL_REQUIREMENTS = $(SDKCONFIG_H)
MICROPY_PY_USSL = 0
MICROPY_SSL_AXTLS = 0
