add PDM MEMS microphone

sensor/microphone-pdm_mp34dt05-a.yaml

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+name: MP34DT05-A
+description: digital MEMS microphone
+datasheet: https://www.st.com/resource/en/datasheet/mp34dt05-a.pdf
+
+pinout:
+  VDD: 1
+  LR: 2
+  CLK: 3
+  DOUT: 4
+  GND: 5
+
+properties:
+  power: VDD
+  ground: GND
+  in: CLK, LR
+  out: DOUT
+
+schematic:
+  symbol: IC
+  left: LR
+  right: CLK, DOUT
+  top: VDD
+  bottom: GND
+
+housing:
+  pattern: custom
+  options: polarized
+  bodyWidth: 3.0
+  bodyLength: 4.0
+  height: 1.0
+  silkscreen: M 1.6 -1.45 1.6 1.45 M -0.8 -2.1 -1.6 -1.3
+
+  verticalPitch: 1.35
+  horizontalPitch: 0.85
+  padWidth: 0.4
+  padHeight: 0.95
+  columnCount: 2
+  rowCount: 2
+  numbers: 1,4,2,3
+
+  verticalPitch1: 3.45 # (3.1+3.8)/2
+  horizontalPitch1: 0
+  padWidth1: 1.3
+  padHeight1: 0.35
+  columnCount1: 1
+  rowCount1: 2
+  numbers1: 5,5
+
+  verticalPitch2: 0
+  horizontalPitch2: 2.45 # (2.1+2.8)/2
+  padWidth2: 0.35
+  padHeight2: 2.3
+  columnCount2: 2
+  rowCount2: 1
+  numbers2: 5,5
+