Strip debugging symbols from installed wifi modules

This saves several MB in the installed system.

Change-Id: Iad35f73de5ebea171b96e654f4d0b3f3a72163e8
Lock the CPU clock speed to 1 GHz as early as possible

This reduces the amount of time the CPU is running at higher clock
speeds during early boot.

Change-Id: I01f141133a943d52b772e792c7547a7897d22266
init.encore.rc: update network interface names for BT tethering

Change-Id: I7cccff20d59f4ea966ea5a0b7afe182dc486c017
Add a new power HAL

This very simple power HAL pins the L3 (memory) bus clock speed to the
max only while the screen is on, allowing us to benefit from improved
graphics performance without using power unnecessarily while the screen
is off.

Change-Id: Ib9f65fdd98e7dcec679f5a13878ff6033674fdb2
Remove obsolete/unused blobs

* DSP firmware: we're using newer firmware in the vendor/ tree
* overlay.omap3.so: obsolete since ICS

Change-Id: I0643f6cf4d175379d287bff87c8c0bbc43a63c2d
setup-makefiles.sh: remove obsolete libaudiopolicy.so reference

Change-Id: I2363b247838e1183c3fb8533e79ec70ff37d49b1