uwb: update AoA capabilities

remove has_elevation_support since it's not supported

Bug: 202900376
Signed-off-by: Victor Liu <victorliu@google.com>
Change-Id: I9bcd1ea20379fa6d2d6731bed0709fd54117eaf0
diff --git a/uwb/UWB-calibration.conf b/uwb/UWB-calibration.conf
index 4c91c33..c5041bf 100644
--- a/uwb/UWB-calibration.conf
+++ b/uwb/UWB-calibration.conf
@@ -111,7 +111,7 @@
 smart_tx_power=1
 auto_sleep_margin=20000
 [HAL]antenna_pair_azimuth=4
-[HAL]antenna_pair_elevation=4
+[HAL]antenna_pair_elevation=0xff
 [HAL]tx_antenna=0
 [HAL]minimum_system_offset_uwbtime0=300
 restricted_channels=0