Add keyboard files

files/qpnp_pon.kl

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+key 114   VOLUME_DOWN   WAKE
+key 116   POWER

files/soc_matrix_keypad.kcm

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+type FULL
+
+key BUTTON_1 {
+    base:                               fallback DPAD_UP
+}
+
+key BUTTON_2 {
+    base:                               fallback DPAD_LEFT
+}
+
+key BUTTON_3 {
+    base:                               fallback DPAD_RIGHT
+}
+
+key BUTTON_4 {
+    base:                               fallback DPAD_DOWN
+}

files/soc_matrix_keypad.kl

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+key 2     1
+key 3     2
+key 4     3
+key 5     4
+key 6     5
+key 7     6
+key 8     7
+key 9     8
+key 10    9
+key 11    0
+
+# CLEAR
+key 14    DEL
+
+# DPAD CENTER
+key 28    ENTER
+
+# DPAD UP
+key 103   BUTTON_1
+
+# DPAD LEFT
+key 105   BUTTON_2
+
+# DPAD RIGHT
+key 106   BUTTON_3
+
+# DPAD DOWN
+key 108   BUTTON_4
+
+# BACK
+key 158   BACK
+
+# CALL
+key 169   CALL
+
+# HOME
+key 172   HOME
+
+# FUNCTION
+key 248   SYM
+
+# APP SWITCH
+key 580   APP_SWITCH
+
+# STAR
+key 522   STAR
+
+# POUND
+key 523   POUND
+
+# SIDE BUTTON
+key 525   CTRL_LEFT