usb: dwc2: Add STM32 related debugfs entries

These are entries related to STM32MP1 PHY control.
Acked-by: Minas Harutyunyan <hminas@synopsys.com>
Signed-off-by: Martin Devera <devik@eaxlabs.cz>
Link: https://lore.kernel.org/r/20210227215528.12752-1-devik@eaxlabs.czSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/usb/dwc2/debugfs.c

@@ -691,6 +691,8 @@ static int params_show(struct seq_file *seq, void *v)
 	print_param(seq, p, ulpi_fs_ls);
 	print_param(seq, p, host_support_fs_ls_low_power);
 	print_param(seq, p, host_ls_low_power_phy_clk);
+	print_param(seq, p, activate_stm_fs_transceiver);
+	print_param(seq, p, activate_stm_id_vb_detection);
 	print_param(seq, p, ts_dline);
 	print_param(seq, p, reload_ctl);
 	print_param_hex(seq, p, ahbcfg);