GT/GrosseTete -> Joule. This commit deprecates the MRAA_INTEL_GT_TUCHUCK mraa_platform_t value and links the grossetete.md page to joule.md. Signed-off-by: Wai Lun Poon <wai.lun.poon@intel.com> Signed-off-by: Brendan Le Foll <brendan.le.foll@intel.com>