[NFC][AMDGPU] Correct product name for gfx908

The product name for gfx908 is "AMD Instinct MI100 Accelerator".

Reviewed By: rampitec

Differential Revision: https://reviews.llvm.org/D102209

Author: t-tye

llvm/docs/AMDGPUUsage.rst

@@ -340,7 +340,7 @@ Every processor supports every OS ABI (see :ref:`amdgpu-os`) with the following
                                                     - xnack             flat          - *pal-amdhsa*  - Radeon Instinct MI60
                                                                         scratch       - *pal-amdpal*  - Radeon VII
                                                                                                       - Radeon Pro VII
-     ``gfx908``                  ``amdgcn``   dGPU  - sramecc                         - *rocm-amdhsa* - Radeon Instinct MI100 Accelerator
+     ``gfx908``                  ``amdgcn``   dGPU  - sramecc                         - *rocm-amdhsa* - AMD Instinct MI100 Accelerator
                                                     - xnack           - Absolute
                                                                         flat
                                                                         scratch