Staging: solo6x10: fixed assignments in if conditions in solo6010-core.c

This is a patch to the solo6010-core.c file that fixes the assignments
in if condition style issues found by the checkpatch.pl tool.

Signed-off-by: Prashant P. Shah <pshah.mumbai@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>