Fix building lib and test in non-automated (CI) env.

Also, use abbreviated ROCM_BUILD_ID environment variable for job
and build number, if it's available.

Change-Id: Ib5a721f5920f1008bb6382935f7b439429389de0

docs/README.md

@@ -26,6 +26,8 @@ After the the ROCm SMI library git repository has been cloned to a local Linux m
 ##### ```$ cd build```
 ##### ```$ cmake <location of root of ROCm SMI library CMakeLists.txt>```
 ##### ```$ make```
+##### ```# Install library file and header; default location is /opt/rocm
+##### ```$ make install
 The built library will appear in the `build` folder.
 
 #### Building the Documentation
@@ -44,7 +46,9 @@ In order to verify the build and capability of ROCm SMI on your system and to se
 ##### ```$ mkdir <location for test build>```
 ##### ```$ cd <location for test build>```
 ##### ```$ cmake -DROCM_DIR=<location of ROCM SMI library .so> <ROCm SMI source root>/tests/rocm_smi_test```
-To run the test, execute the program `rsmitst` that is built from the steps above. Make sure ROCm SMI library is in your library search path when executing the test program.
+##### ```$ make
+
+To run the test, execute the program `rsmitst` that is built from the steps above.
 
 # Usage Basics
 ## Device Indices