usb: dwc2: Align macros with Linux kernel definitions

usb: dwc2: Align macros with Linux kernel definitions

Update the DWC2 macros to match those used in the Linux kernel, making
it easier to synchronize updates with kernel. Also removed some unused
macros to cleanup the code.

Signed-off-by: Kongyang Liu <seashell11234455@gmail.com>
Reviewed-by: Marek Vasut <marex@denx.de>
Tested-by: Peter Robinson <pbrobinson@gmail.com>
Reviewed-by: Mattijs Korpershoek <mkorpershoek@baylibre.com>
Signed-off-by: Junhui Liu <junhui.liu@pigmoral.tech>
Link: https://lore.kernel.org/r/20250110-dwc2-dev-v4-5-987f4fd6f8b2@pigmoral.tech
Signed-off-by: Mattijs Korpershoek <mkorpershoek@kernel.org>