fix(linux): Drop ARAGO_BRAND from Building the SDK with Yocto

With [0], the additional step to set ARAGO_BRAND as "edgeai"
is no longer required for AM62A. Hence, fix the Yocto documentation
for the same.

[0]: https://git.ti.com/cgit/edgeai/meta-edgeai/commit/?h=scarthgap&id=b2f4e07b4c3df6ada6aae074eed0e38e7716a140

Signed-off-by: Chirag Shilwant <[email protected]>

Author: cshilwant

source/linux/Overview/_Processor_SDK_Building_The_SDK.rst

@@ -117,7 +117,6 @@ The MACHINE can be set to |__SDK_BUILD_MACHINE__|, for example.
             $ ./oe-layertool-setup.sh -f configs/processor-sdk-analytics/processor-sdk-analytics-10.01.00-config.txt
             $ cd build
             $ . conf/setenv
-            $ echo 'ARAGO_BRAND = "edgeai"' >> conf/local.conf
             $ MACHINE=am62axx-evm bitbake -k tisdk-edgeai-image
 
          Your tisdk-edgeai-image wic image will be generated in arago-tmp-[toolchain]/deploy directory. Use `Processor\_SDK\_Linux\_create\_SD\_card <Overview/Processor_SDK_Linux_create_SD_card.html>`__ to flash this image on the SD-Card.