Reference the correct commits to pull in and remove commits related to
uVisor since these are no longer needed. Also add the missing file
cmsis_os1.c to cmsis_importer.json.
Below is detailed information on each commit added to cmsis_importer.json
CMSIS/RTX: Patch RTX4 to preserve osThreadDef compatibility
4360b7bbf8
CMSIS/RTX: Patch RTX so irq_cm4f.s files work with no FPU targets
cc2e0517e1
CMSIS/RTX: Allow overwriting mutex ops for ARMC
b88254809e
CMSIS/RTX: Pre-processor defines used for assembly
287121ffdc
CMSIS/RTX: Fix using FALSE/TRUE with preprocesor
1752803626
CMSIS/RTX: Reintroduce arm_math.h
6a6e3ac0eb
fixup