mx25l.4: Describe better and tag spdx

MFC after:	3 days

share/man/man4/mx25l.4

@@ -1,4 +1,6 @@
 .\"
+.\" SPDX-License-Identifier: BSD-2-Clause
+.\"
 .\" Copyright (c) 2019 Ian Lepore <ian@freebsd.org>
 .\"
 .\" Redistribution and use in source and binary forms, with or without
@@ -22,26 +24,18 @@
 .\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 .\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 .\"
-.Dd June 11, 2024
+.Dd November 11, 2025
 .Dt MX25L 4
 .Os
 .Sh NAME
 .Nm mx25l
-.Nd driver for SpiFlash(tm) compatible non-volatile storage devices
+.Nd SpiFlash compatible non-volatile storage devices driver
 .Sh SYNOPSIS
-To compile this driver into the kernel,
-place the following line in your
-kernel configuration file:
-.Bd -ragged -offset indent
-.Cd "device mx25l"
-.Ed
+.Cd device mx25l
 .Pp
-Alternatively, to load the driver as a
-module at boot time, place the following line in
+In
 .Xr loader.conf 5 :
-.Bd -literal -offset indent
-mx25l_load="YES"
-.Ed
+.Cd mx25l_load="YES"
 .Sh DESCRIPTION
 The
 .Nm
@@ -67,7 +61,7 @@ modules as with any disk device.
 .Sh HARDWARE
 The
 .Nm
-driver provides support for the following devices:
+driver supports the following spi flash memory devices:
 .Pp
 .Bl -bullet -compact
 .It