[PATCH] HID: apple: Fix the '`'/'~' key issue for MacBook Air 6,2.

The '`'/'~' key delivers '<'/'>' on MacBook Air 6,2. [1] By forcing
the module parameter iso_layout = 0, this issue can be fixed. [2][3]
This patch checks the DMI information and sets the parameter.

[1] https://bugzilla.kernel.org/show_bug.cgi?id=60181#c43
[2] https://bugzilla.redhat.com/show_bug.cgi?id=1025041
[3] https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1245081

(Sorry Jiri for duplicated messages)

-- 
Best regards,
Yuan Chao

(adding missing patch)


-- 
Best regards,
Yuan Chao