i9300: fix speaker not working after bt, headset mic

https://github.com/CyanogenMod/android_device_samsung_t0lte/commit/0ebce3b5ee7287135fadc4846c35e4e089ef9526

Change-Id: I24bc6e1b49599192b7628242786e684960395f89
i9300: add support for SlimISP_ZH camera fw

Change-Id: Icfa0ae3dccd51f3e04a0df887b023ed795de56ca
i9300: add ext4 as second filesystem for sdcard for recovery

Change-Id: Idf31a583971dc2f877559b1aca7537d660b7f882
i9300: fix battery capacity

Change-Id: I44cfdf0dd2825f67613500f4825f52ec60cbeddf