camera: fix invalid parameter bug

We only can set a parameter to a specific value if this value is
available. When the front camera is used, only "normal" contrast can be
set.

Change-Id: I0fa78f3762f581c3a07ef8680428708e7b4174a9
Rename wifi firmware and copy bcm4329 too

Change-Id: I5c013e443a44cb6fa0a56f287ab87db220f90045
Fix doc text creation

Change-Id: I47ed9c67b8a398854f64b11b21a61616c52b5666
Fix camera blob name

Change-Id: I5084040baa2b797f9434b739d65a604e268f2f6e
Add tcmd
Revert "Add tcmd"

Not needed.

This reverts commit 41309a85e83bd36307888941918e6adbd5a79145.
Add build configuration for bcm4329

Change-Id: Ibd2f61d0e03d79fa329a72f4489100ba15947601