Update cyapa driver support MT type-A protocol, add cyapa_misc_devinterface (issue6905092)

[dudl]

Reviewers: rubini_ipvvis.unipv.it, dmitry.torokhov_gmail.com,  
linux-input_vger.kernel.org, linux-kernel_vger.kernel.org,  
olofj_dontusethisaddress, Micah C, dudl, dso_cypress.com,

Description:
Update cyapa driver support MT type-A protocol, add cyapa_misc_dev interface


Change-Id: I8c70391a581bd1f62803f25fe3a52589b56aeed7
Signed-off-by: Du, Dudley <dudl@xxxxxxxxxxx>

R=rubini@xxxxxxxxxxxxxxx,dmitry.torokhov@xxxxxxxxx,linux-input@xxxxxxxxxxxxxxx,linux-kernel@xxxxxxxxxxxxxxx,olofj@xxxxxxxxxx,micahc@xxxxxxxxxx,dudl@xxxxxxxxxxx,dso@xxxxxxxxxxx
BUG=3220 6902105
TEST=test on kaen board

1. Remove codes that support relative report data, this mode is not  
required for
trackpad any more;
2. Modify cyapa driver support MT type-A protocol working with multitouch X
driver;
3. Add cyapa_misc_dev interface, so applications can get driver, firmware  
and
hardware version of the trackpad device.


Please review this at http://codereview.chromium.org/6905092/

SVN Base: http://git.chromium.org/git/kernel-next.git@xxxxxxxxxxxxxxx

Affected files:
  M drivers/input/mouse/cypress_i2c.c
  M include/linux/cyapa.h


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