A few more Qualcomm ARM32 DeviceTree updates for v6.4 This adds IPA definition to the sdx65 platform, and brings a few stylistic changes to sdx55 and sdx65. Compatibles for the two new Qualcomm Robotics Platform boards, RB1 and RB2, are defined, as is Xiaomi Mi A3 and the MI01.6 development baord on IPQ5332. These are all ARM64 boards, despite being introduced through the ARM32 pull request...