SD Card control on Mbed os5

Please refer following my Notebook page.
/users/kenjiArai/notebook/sd-card-control-new/#

Revision:
2:c88e7695167e
Parent:
1:2fb39b6b3d96
Child:
3:4d7be22641c1
--- a/mbed-os.lib	Wed Aug 29 09:28:47 2018 +0000
+++ b/mbed-os.lib	Tue Jun 04 11:25:49 2019 +0000
@@ -1,1 +1,1 @@
-https://github.com/ARMmbed/mbed-os/#0fdfcf7350896a9c0b57c4a18237677abfe25f1a
+https://github.com/ARMmbed/mbed-os/#73f096399b4cda1f780b140c87afad9446047432