Updated mbed-cloud-sdk req to 2.0.6

Test for SMCC failing w/o update.

Also set requirement to auto update patches

Author: Cruz Monrreal II

requirements.txt

@@ -6,7 +6,7 @@ pyyaml==4.2b1
 jsonschema==2.6.0
 future==0.16.0
 six==1.11.0
-mbed-cloud-sdk==2.0.5
+mbed-cloud-sdk>=2.0.6,<2.1
 requests>=2.20,<2.21
 idna>=2,<2.8
 pyserial>=3,<=3.4