ds2760_battery: Make charge_now and charge_full writeable
ds2760_battery: Make charge_now and charge_full writeable

For userspace tools and daemons, it might be necessary to adjust
the charge_now and charge_full properties of the ds2760 battery monitor,
for example for unavoidable corrections due to aging batteries.

Signed-off-by: Daniel Mack <3d0f3b9ddcacec30c4008c5e030e6c13a478cb4f@caiaq.de>
Cc: Matt Reimer <35bbc1be0dd37cdb3c86912819be591dd5b3d7a3@vpop.net>
Cc: Evgeniy Polyakov <9be07b15919dab1b45f07f962d8e37ba7c50f920@ioremap.net>
Cc: Tejun Heo <546b05909706652891a87f7bfe385ae147f61f91@kernel.org>
Cc: David Woodhouse <97b3379caa91f4ee97e44013ae4dc6350540fa9d@infradead.org>
Cc: Alexey Starikovskiy <c33843565b6d94c5e69f3cc5eb985600cb9e786e@suse.de>
Cc: Len Brown <b060cfa1096cc6e8be83699ddb4ed8a77dd63af5@intel.com>
Cc: Mark Brown <b51b9a92386687a9ac927cebfa0f978adeb8cea5@opensource.wolfsonmicro.com>
Signed-off-by: Anton Vorontsov <1d765a3da7f714ffaadb979466c507aa3415181f@gmail.com>

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