Updating mbed-os to mbed-os-6.15.0-rc3

mbedmain · mbedmain · commit d7bbba8f43fc · 2021-09-17T15:02:03.000+01:00
diff --git a/mbed-os.lib b/mbed-os.lib
@@ -1 +1 @@
-https://github.com/ARMmbed/mbed-os/#3377f083b3a6bd7a1b45ed2cea5cf083b9007527
+https://github.com/ARMmbed/mbed-os/#4cfbea43cabe86bc3ed7a5287cd464be7a218938

Original file line number	Diff line number	Diff line change
`@@ -1 +1 @@`
`1`		`-https://github.com/ARMmbed/mbed-os/#3377f083b3a6bd7a1b45ed2cea5cf083b9007527`
	`1`	`+https://github.com/ARMmbed/mbed-os/#4cfbea43cabe86bc3ed7a5287cd464be7a218938`