add max98357 audio DAC

ic/audioamp_max98357.yaml

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+name: MAX98357
+alias: MAX98357A, MAX98357B
+variations: TQFN, WLP
+description: amplifier, audio, class D, mono, 3W, PCM input
+datasheet: https://datasheets.maximintegrated.com/en/ds/MAX98357A-MAX98357B.pdf
+
+pinout@TQFN:
+  SD_MODE: 4
+  OUT:
+    OUTP: 9
+    OUTN: 10
+  IN:
+    DIN: 1
+    BCLK: 16
+    LRCLK: 14
+  GAIN_SLOT: 2
+  VDD: 7,8
+  GND: 3,11,15
+  NC: 5,6,12,13
+
+pinout@WLP:
+  SD_MODE: A1
+  OUT:
+    OUTP: A3
+    OUTN: B3
+  IN:
+    DIN: B1
+    BCLK: C1
+    LRCLK: C3
+  GAIN_SLOT: B2
+  VDD: A2
+  GND: C2
+
+properties:
+  in: IN, SD_MODE, GAIN_SLOT
+  power: VDD
+  ground: GND
+  inverted: SD_MODE
+  nc: NC
+
+schematic:
+  symbol: IC
+  left: IN, SD_MODE, GAIN_SLOT
+  right: OUT
+  top: VDD
+  bottom: GND
+
+housing@TQFN:
+  pattern: QFN
+  bodyWidth: 2.9-3.1 # E
+  bodyLength: 2.9-3.1 # D
+  height: 0.7-0.8 # A
+  leadWidth: 0.2-0.3 # b
+  leadLength: 0.3-0.4 # L should be 0.5 but the generated pad is too long
+  pitch: 0.5 # e
+  pullback: 0
+  leadCount: 16
+  rowCount: 4
+  columnCount: 4
+  tabWidth: 0.95-1.25 # E2 T1633+4
+  tabLength: 0.96-1.25 # D2 T1633+4
+  tabPosition: 0.0, 0.0
+
+housing@WLP:
+  pattern: BGA
+  bodyWidth: 1.437 # E
+  bodyLength: 1.347 # D
+  height: 0.64 # A
+  pitch: 0.4 # e
+  rowCount: 3
+  columnCount: 3
+  leadDiameter: 0.27 # b
+  leadCount: 9