dwcotg.4: Initial manual page

Create visibility in apropos and the Hardware Release Notes.

MFC after:		3 days
Reviewed by:		pauamma, ray
Differential Revision:	https://reviews.freebsd.org/D53287

share/man/man4/man4.arm/Makefile

@@ -2,6 +2,7 @@ MAN=	\
 	ar40xx.4 \
 	bcm283x_pwm.4 \
 	devcfg.4 \
+	dwcotg.4 \
 	imx6_ahci.4 \
 	imx6_snvs.4 \
 	imx_wdog.4 \

share/man/man4/man4.arm/dwcotg.4

@@ -0,0 +1,29 @@
+.\"
+.\" Copyright (c) 2025 Alexander Ziaee
+.\"
+.\" SPDX-License-Identifier: BSD-2-Clause
+.\"
+.Dd November 5, 2025
+.Dt DWCOTG 4 arm
+.Os
+.Sh NAME
+.Nm dwcotg
+.Nd Synopsys DesignWare USB controller driver
+.Sh SYNOPSIS
+.Cd device acpi
+.Cd device fdt
+.Cd device dwcotg
+.Sh HARDWARE
+The
+.Nm
+driver supports the
+Synopsys DesignWare USB controller found in many embedded devices.
+.Sh SEE ALSO
+.Xr usb_template 4
+.Sh HISTORY
+The
+.Nm
+driver appeared in
+.Fx 10.0 .
+.Sh AUTHORS
+.An Hans Petter Selasky