Calculate RP2040 SDA hold time

dhalbert · dhalbert · commit 8e0834d74c10 · 2021-03-29T14:40:13.000-04:00
diff --git a/ports/raspberrypi/sdk b/ports/raspberrypi/sdk
@@ -1 +1 @@
-Subproject commit f998690e65c5df740ef71cd167733dc8c6a11bdd
+Subproject commit 7a6660134ac6242e3223fe1c78b248caf6b2cbf4
