New port: Shanling Q1 native

- Audio playback works
- Touchscreen and buttons work
- Bootloader works and is capable of dual boot
- Plugins are working
- Cabbiev2 theme has been ported
- Stable for general usage

Thanks to Marc Aarts for porting Cabbiev2 and plugin bitmaps.

There's a few minor known issues:

- Bootloader must be installed manually using 'usbboot' as there is
  no support in jztool yet.

- Keymaps may be lacking, need further testing and feedback.

- Some plugins may not be fully adapted to the screen size and could
  benefit from further tweaking.

- LCD shows abnormal effects under some circumstances: for example,
  after viewing a mostly black screen an afterimage appears briefly
  when going back to a brightly-lit screen. Sudden power-off without
  proper shutdown of the backlight causes a "dissolving" effect.

- CW2015 battery reporting driver is buggy, and disabled for now.
  Battery reporting is currently voltage-based using the AXP192.

Change-Id: I635e83f02a880192c5a82cb0861ad3a61c137c3a

apps/plugins/lib/keymaps.h

@@ -255,6 +255,15 @@
 #define BTN_FIRE        BUTTON_SELECT
 #define BTN_PAUSE       BUTTON_POWER
 
+#elif CONFIG_KEYPAD == SHANLING_Q1_PAD
+#define BTN_FIRE        BUTTON_CENTER
+#define BTN_PAUSE       BUTTON_POWER
+#define BTN_HAVE_DIAGONAL
+#define BTN_DOWN_LEFT   BUTTON_BOTTOMLEFT
+#define BTN_DOWN_RIGHT  BUTTON_BOTTOMRIGHT
+#define BTN_UP_LEFT     BUTTON_TOPLEFT
+#define BTN_UP_RIGHT    BUTTON_TOPRIGHT
+
 #else
 #error Unsupported keypad
 #endif
@@ -272,7 +281,8 @@
 #elif (CONFIG_KEYPAD != COWON_D2_PAD) && \
       (CONFIG_KEYPAD != DX50_PAD)     && \
       (CONFIG_KEYPAD != ONDAVX777_PAD) && \
-      (CONFIG_KEYPAD != CREATIVE_ZENXFI2_PAD)
+      (CONFIG_KEYPAD != CREATIVE_ZENXFI2_PAD) && \
+      (CONFIG_KEYPAD != SHANLING_Q1_PAD)
 #define BTN_FIRE       BUTTON_BOTTOMLEFT
 #define BTN_PAUSE      BUTTON_TOPLEFT
 #endif