sm8350-common: CameraProvider: set saner values

1500 is WAAAAY too high on haydn. Set max to a saner of 750.

Also prior to this change, 80 was default for torch, so set 80 as
default.

camera/CameraProviderExtension.cpp

@@ -43,14 +43,14 @@ bool supportsSetTorchModeExt() {
 }
 
 int32_t getTorchDefaultStrengthLevelExt() {
-    return 50;
+    return 80;
 }
 
 int32_t getTorchMaxStrengthLevelExt() {
     // In our device, both LEDs has same maximum value
     // so get from one.
     auto node = kTorchLedPath + "/" + TORCH_MAX_BRIGHTNESS;
-    return get(node, 0);
+    return 750;
 }
 
 int32_t getTorchStrengthLevelExt() {