4.2.2_r1 updates yum

Change-Id: I333daaa16d3c1ea9ec9ac1d13812ede82835e7b4
Fix sync by using 4.2.1r1.2 for hardware

Following repos aren't updated in AOSP yet:
hardware/broadcom/wlan
hardware/invensense
hardware/samsung_slsi/exynos5
hardware/ti/omap3
hardware/ti/omap4xxx
hardware/ti/wlan
hardware/ti/wpan

Use latest sources (4.2.1r1.2) for now to fix 
Merge pull request #1 from WoH/jellybean

Fix sync by using 4.2.1r1.2 for hardware
Add external/eigen
TEMP:fix libhardware tag

Change-Id: I58d4ad382293ece882ef9ea0caa9981e9a204c32
Merge pull request #2 from WoH/jellybean

Add external/eigen
Merge remote-tracking branch 'upstream/jellybean' into jellybean