usb: add usb device support for lpc55s28 platform

update the endpint in dts to 6 to alignd with RM
enable usb-device for LPC55S28
all USB supported tests/samples PASS

samples:
scripts/twister -p lpcxpresso55s28 \
--device-testing --hardware-map ~/map.yml \
-T samples/subsys/usb/
...
INFO    - 7 of 25 test configurations passed (100.00%),\
0 failed, 18 skipped with 0 warnings in 73.49 seconds
...

tests
scripts/twister -p lpcxpresso55s28 \
--device-testing --hardware-map ~/map.yml \
-T tests/subsys/usb/
...
INFO    - 3 of 4 test configurations passed (100.00%),\
0 failed, 1 skipped with 0 warnings in 36.39 seconds
...

Signed-off-by: Hake Huang <hake.huang@oss.nxp.com>
5 files changed