usb: dwc3: Remove dwc3 glue driver support for STi

STi will migrate to dwc3-generic driver, dwc3-sti-glue driver
can be removed.

Signed-off-by: Patrice Chotard <patrice.chotard@foss.st.com>
Cc: Marek Vasut <marex@denx.de>
Reviewed-by: Mattijs Korpershoek <mkorpershoek@baylibre.com>
Link: https://lore.kernel.org/r/20250130163547.512990-4-patrice.chotard@foss.st.com
Signed-off-by: Mattijs Korpershoek <mkorpershoek@baylibre.com>
6 files changed