staging: wilc1000: move variable FALSE_FRMWR_CHANNEL

This patch moves the variable 'FALSE_FRMWR_CHANNEL' to where local definitions
are.

Signed-off-by: Leo Kim <leo.kim@atmel.com>
Signed-off-by: Tony Cho <tony.cho@atmel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>