community/hexagonrpcd: upgrade to 0.3.2

The hexagonrpcd component is moved to separate repository, so updated the repo URL to reflect that. There is a new argument (-R) that let's us to specify the firmware directory. Introduce a confd file that configures the default firmware directory. There is also a new argument (-d) that specifies the fastrpc device type. I have updated the init.d service files to include them. Hexagonrpcd now has some tests to run, so included that. Hexagonrpcd compiles and works fine without the noshared.patch, so I have removed that. Also, a test case fails in s390x architecture, but since hexagonrpcd is specific to Qualcomm ARM SoC, let's skip it for now (I have notified the author of hexagonrpcd on this issue).