add README.pio, mostly to force another build

dhalbert · dhalbert · commit 0ddaf755bc33 · 2025-04-14T20:35:10.000-04:00
diff --git a/ports/raspberrypi/common-hal/audiobusio/README.pio b/ports/raspberrypi/common-hal/audiobusio/README.pio
@@ -0,0 +1 @@
+.pio files right now are compiled by hand with pico-sdk/tools/pioasm and inserted into I2SOut.c

Original file line number	Diff line number	Diff line change
`@@ -0,0 +1 @@`
	`1`	`+.pio files right now are compiled by hand with pico-sdk/tools/pioasm and inserted into I2SOut.c`