Update README format

Signed-off-by: Ong, Lean Kim <lean.kim.ong@intel.com>

sm_soc_devkit_ghrd/README.md

@@ -62,12 +62,12 @@ The GHRD is built with Makefile. Here are the supported Make Targets:
 ## Build Steps
 1) Retrive available parameterization of GHRD and knowing the default parameterization
    - $ make config
-2a) Customize the GHRD settings via 'make config' command. Multiple <PARAMETER> may be customized at one time [Not necessary if the default option is good]
+2) Customize the GHRD settings via 'make config' command. Multiple <PARAMETER> may be customized at one time [Not necessary if the default option is good]
    - $ make <PARAMETER>=<value> config
-2b) Optional way to customize the GHRD setting along with 'make generate_from_tcl' command as well.
+3) Optional way to customize the GHRD setting along with 'make generate_from_tcl' command as well.
    - $ make <PARAMETER>=<value> generate_from_tcl
-3) Generate the Quartus Project and source files. [Not neccesary if step 2b) is applied]
+4) Generate the Quartus Project and source files. [Not neccesary if step 3 is applied]
    - $ make `generate_from_tcl`
-4) Compile Quartus Project and generate the configuration file
+5) Compile Quartus Project and generate the configuration file
    - $ `make sof` or $ `make all`
    - Note: The "software/hps_debug/hps_debug.ihex" will have dependency of armclang. If armclang is not available, the generation of *_hps_debug.sof will be skipped.