Update Sony Interactive Entertainment Wireless Controller.cfg

#   See libretro/RetroArch#6920
#   RetroArch's in-app feature to create autoconfig files is flawed and will attempt to create the 2 lines :
#     input_l2_btn = "6"
#     input_r2_btn = "7"
#   Those 2 lines are a downgrade from the 2 following lines which additionally allow l2/r2 to be polled as analog axes :

linuxraw/Sony Interactive Entertainment Wireless Controller.cfg

@@ -12,8 +12,13 @@ input_a_btn = "1"
 input_x_btn = "2"
 input_l_btn = "4"
 input_r_btn = "5"
-input_l2_btn = "6"
-input_r2_btn = "7"
+#   See https://github.com/libretro/RetroArch/issues/6920
+#   RetroArch's in-app feature to create autoconfig files is flawed and will attempt to create the 2 lines :
+#     input_l2_btn = "6"
+#     input_r2_btn = "7"
+#   Those 2 lines are a downgrade from the 2 following lines which additionally allow l2/r2 to be polled as analog axes :
+input_l2_axis = "+2"
+input_r2_axis = "+5"
 input_l3_btn = "11"
 input_r3_btn = "12"
 input_l_x_plus_axis = "+0"