Add single link/DMA support for AD9084

[tfcollins]

For single link (ASYMMETRIC=0) mode there is only one DMA. This PR supports that mode

[github-actions]

Generated documentation for this PR is available at Link

[github-actions]

Test Results

1 714 tests  ±0     462 ✅ ±0   12m 1s ⏱️ ±0s
    1 suites ±0   1 252 💤 ±0 
    1 files   ±0       0 ❌ ±0 

Results for commit 44828cd. ± Comparison against base commit a5c223f.

This pull request removes 4 and adds 4 tests. Note that renamed tests count towards both.

test.test_adrv9002_p ‑ test_adrv9002_hardware_gain[attr=rx_hardwaregain_chan0-val=[20.5, 25.5, 5.0, 28.5, 10.0, 12.0, 1.0, 24.5, 21.5, 6.0]-depends={'gain_control_mode_chan0': 'spi', 'rx_ensm_mode_chan0': 'rf_enabled'}-classname=adi.adrv9002]
test.test_adrv9002_p ‑ test_adrv9002_hardware_gain[attr=rx_hardwaregain_chan0-val=[23.5, 33.5, 32.5, 5.5, 30.0, 9.0, 31.0, 14.0, 3.0, 20.0]-depends={'gain_control_mode_chan1': 'spi', 'rx_ensm_mode_chan1': 'rf_enabled'}-classname=adi.adrv9002]
test.test_adrv9002_p ‑ test_adrv9002_hardware_gain[attr=tx_hardwaregain_chan0-val=[-35.15, -27.1, -17.6, -15.0, -28.3, -16.15, -29.95, -33.25, -30.15, -31.5]-depends={'atten_control_mode_chan0': 'spi'}-classname=adi.adrv9002]
test.test_adrv9002_p ‑ test_adrv9002_hardware_gain[attr=tx_hardwaregain_chan1-val=[-24.4, -3.65, -19.05, -33.85, -33.4, -15.95, -7.95, -15.75, -12.3, -38.65]-depends={'atten_control_mode_chan1': 'spi'}-classname=adi.adrv9002]

test.test_adrv9002_p ‑ test_adrv9002_hardware_gain[attr=rx_hardwaregain_chan0-val=[29.5, 33.0, 12.5, 25.0, 20.5, 9.5, 26.0, 15.0, 32.0, 10.5]-depends={'gain_control_mode_chan0': 'spi', 'rx_ensm_mode_chan0': 'rf_enabled'}-classname=adi.adrv9002]
test.test_adrv9002_p ‑ test_adrv9002_hardware_gain[attr=rx_hardwaregain_chan0-val=[4.0, 23.0, 25.5, 0.5, 9.0, 28.0, 25.0, 11.5, 4.0, 22.0]-depends={'gain_control_mode_chan1': 'spi', 'rx_ensm_mode_chan1': 'rf_enabled'}-classname=adi.adrv9002]
test.test_adrv9002_p ‑ test_adrv9002_hardware_gain[attr=tx_hardwaregain_chan0-val=[-23.45, -15.15, -27.2, -13.9, -2.4, -13.75, -29.95, -38.05, -22.55, -1.15]-depends={'atten_control_mode_chan0': 'spi'}-classname=adi.adrv9002]
test.test_adrv9002_p ‑ test_adrv9002_hardware_gain[attr=tx_hardwaregain_chan1-val=[-19.7, -5.15, -21.45, -39.2, -13.9, -15.45, -0.3, -6.8, -0.95, -4.65]-depends={'atten_control_mode_chan1': 'spi'}-classname=adi.adrv9002]

♻️ This comment has been updated with latest results.