staging: wimax/i2400m: don't change the endianness of one byte variable

It is wrong to change the endianness of a variable which has just one
byte size.

Sparse warnings fixed:
drivers/staging//wimax/i2400m/control.c:452:17: warning: cast to restricted __le32
drivers/staging//wimax/i2400m/control.c:452:17: warning: cast to restricted __le32
drivers/staging//wimax/i2400m/op-rfkill.c:159:14: warning: cast to restricted __le32
drivers/staging//wimax/i2400m/op-rfkill.c:160:14: warning: cast to restricted __le32

Signed-off-by: Muhammad Usama Anjum <musamaanjum@gmail.com>
Link: https://lore.kernel.org/r/20210218092154.GA46388@LEGION


Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>