Add AD9084 filter APIs

[tfcollins]

Description

Add filter APIs for AD9084 with tests

Type of change

Please delete options that are not relevant.

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• This change requires a documentation update

Checklist:

• My code follows the style guidelines of this project
• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• I have signed off all commits and they contain "Signed-off by: "
• I have made corresponding changes to the documentation
• My changes generate no new warnings
• I have added tests that prove my fix is effective or that my feature works
• New and existing unit tests pass locally with my changes
• Any dependent changes have been merged and published in downstream modules

[github-actions]

Test Results

1 662 tests  +2     426 ✅  - 2   11m 55s ⏱️ -9s
    1 suites ±0   1 232 💤 ±0 
    1 files   ±0       4 ❌ +4 

For more details on these failures, see this check.

Results for commit 8277de7. ± Comparison against base commit 80796c5.

This pull request removes 4 and adds 6 tests. Note that renamed tests count towards both.

test.test_adrv9002_p ‑ test_adrv9002_hardware_gain[attr=rx_hardwaregain_chan0-val=[0.0, 22.5, 4.5, 21.0, 32.5, 32.5, 25.0, 11.5, 10.5, 16.5]-depends={'gain_control_mode_chan1': 'spi', 'rx_ensm_mode_chan1': 'rf_enabled'}-classname=adi.adrv9002]
test.test_adrv9002_p ‑ test_adrv9002_hardware_gain[attr=rx_hardwaregain_chan0-val=[16.0, 11.0, 22.0, 13.5, 29.0, 6.5, 33.5, 0.5, 31.0, 32.0]-depends={'gain_control_mode_chan0': 'spi', 'rx_ensm_mode_chan0': 'rf_enabled'}-classname=adi.adrv9002]
test.test_adrv9002_p ‑ test_adrv9002_hardware_gain[attr=tx_hardwaregain_chan0-val=[-23.35, -17.85, -1.35, -23.95, -37.1, -3.05, -31.6, -21.55, -2.7, -0.35]-depends={'atten_control_mode_chan0': 'spi'}-classname=adi.adrv9002]
test.test_adrv9002_p ‑ test_adrv9002_hardware_gain[attr=tx_hardwaregain_chan1-val=[-23.8, -16.5, -8.5, -10.3, -23.65, -17.3, -13.55, -14.65, -25.85, -36.95]-depends={'atten_control_mode_chan1': 'spi'}-classname=adi.adrv9002]

test.test_ad9084 ‑ test_cfilt
test.test_ad9084 ‑ test_pfilt
test.test_adrv9002_p ‑ test_adrv9002_hardware_gain[attr=rx_hardwaregain_chan0-val=[14.0, 31.0, 24.5, 6.5, 20.0, 32.0, 33.0, 27.5, 28.5, 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=rx_hardwaregain_chan0-val=[33.0, 31.0, 32.5, 34.0, 1.0, 17.5, 28.0, 9.0, 11.0, 12.5]-depends={'gain_control_mode_chan0': 'spi', 'rx_ensm_mode_chan0': 'rf_enabled'}-classname=adi.adrv9002]
test.test_adrv9002_p ‑ test_adrv9002_hardware_gain[attr=tx_hardwaregain_chan0-val=[-5.0, -33.6, -13.15, -10.85, -38.35, -36.3, -20.2, -7.95, -13.05, -34.9]-depends={'atten_control_mode_chan0': 'spi'}-classname=adi.adrv9002]
test.test_adrv9002_p ‑ test_adrv9002_hardware_gain[attr=tx_hardwaregain_chan1-val=[-30.7, -25.4, -17.55, -4.4, -1.9, -37.25, -37.15, -8.8, -16.35, -25.75]-depends={'atten_control_mode_chan1': 'spi'}-classname=adi.adrv9002]

♻️ This comment has been updated with latest results.