net: usb: sr9700: rename register write commands for clarity

net: usb: sr9700: rename register write commands for clarity

SR_WR_REG and SR_WR_REGS may be confused at a cursory glance. Rename
them to be more easily differentiated to prevent this.

Suggested-by: Andrew Lunn <andrew+netdev@lunn.ch>
Signed-off-by: Ethan Nelson-Moore <enelsonmoore@gmail.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Peter Korsgaard <peter@korsgaard.com>
Link: https://patch.msgid.link/20260123080409.64165-1-enelsonmoore@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>