W1: ds2490.c magic number work
W1: ds2490.c magic number work

This replaces some magic numbers with marcos and corrects one marco.

Signed-off-by: David Fries <aa743a0aaec8f7d7a1f01442503957f4d7a2d634@fries.net>
Signed-off-by: Evgeniy Polyakov <f36927ff9d63ea1162063e32fd2fc861e6128a03@2ka.mipt.ru>
Signed-off-by: Andrew Morton <5c1e68b099950c134891f0b6e179498a8ebe9cf9@linux-foundation.org>
Signed-off-by: Linus Torvalds <69652caca27c8b940640ad396ab71f93cacec34f@linux-foundation.org>

TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs