stmhal: Add default frozen-bytecode directory and link lcd160cr driver.

stmhal will now be built by default with frozen bytecode from scripts
stored in the stmhal/modules/ directory.  This can be disabled or
changed to another directory by overridding the make variable
FROZEN_MPY_DIR.

stmhal/Makefile

@@ -15,6 +15,9 @@ include boards/$(BOARD)/mpconfigboard.mk
 # qstr definitions (must come before including py.mk)
 QSTR_DEFS = qstrdefsport.h $(BUILD)/pins_qstr.h $(BUILD)/modstm_qstr.h
 
+# directory containing scripts to be frozen as bytecode
+FROZEN_MPY_DIR ?= modules
+
 # include py core make definitions
 include ../py/py.mk
 

stmhal/modules/lcd160cr.py

+../../drivers/display/lcd160cr.py
\ No newline at end of file

stmhal/modules/lcd160cr_test.py

+../../drivers/display/lcd160cr_test.py
\ No newline at end of file