staging: et131x: Remove unused spinlock
staging: et131x: Remove unused spinlock

phy_lock is no longer used in any useful code, it's all been moved into
a phy_device. Remove the lock definition and init.

Signed-off-by: Mark Einon <78d8af80769b0cbc00e314928418dc93597f13ae@gmail.com>
Signed-off-by: Greg Kroah-Hartman <4645f7897fd33786a2ee1264d590b3c400559d85@linuxfoundation.org>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs