skydarc meneldoll / Mbed OS test_TFT_11_v5

test st7735 on lpc1768 with mbed v5. bug with spi frequency...

Diff: mbed-os.lib

Revision:
1:121b61eeffe7
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed-os.lib	Wed Apr 08 14:52:09 2020 +0000
@@ -0,0 +1,1 @@
+https://github.com/ARMmbed/mbed-os/#20975127893e0a24e278dbdca6b271e723002910