Initial Commit for MAX32 Support

Initial commit for the port of TUSB to MAX32xxx parts, staring with MAX32690
 - Added dcd_max32.c (based on dcd_musb.c) for interfacing with the peripheral
 - Added MAX32690 part family support
 - Added max32690evkit board support
 - Updated examples for unique EP number requirement
 - Updated get_deps.py to fetch the MSDK

Known Issues / Additional Testing Required
 - msc_dual_lun only shown 1 volume on Windows
 - USBTMC does not have a valid Windowsdriver
 - DFU does not have a valid Windows driver
 - WebUSB is "Device not Recognized"
 - Need to test build scripts with IAR and Clang

tools/get_deps.py

@@ -24,6 +24,9 @@ deps_optional = {
     'hw/mcu/allwinner': ['https://github.com/hathach/allwinner_driver.git',
                          '8e5e89e8e132c0fd90e72d5422e5d3d68232b756',
                          'fc100s'],
+    'hw/mcu/analog/max32' : ['https://github.com/analogdevicesinc/msdk.git',
+                             'b20b398d3e5e2007594e54a74ba3d2a2e50ddd75',
+                             'max32690'],
     'hw/mcu/bridgetek/ft9xx/ft90x-sdk': ['https://github.com/BRTSG-FOSS/ft90x-sdk.git',
                                          '91060164afe239fcb394122e8bf9eb24d3194eb1',
                                          'brtmm90x'],