docs: improve the list of gl implementations

Suggested-by: Emil Velikov <emil.l.velikov@gmail.com>
Signed-off-by: Eric Engestrom <eric.engestrom@imgtec.com>
diff --git a/docs/intro.html b/docs/intro.html
index 38f40f5..be164c8 100644
--- a/docs/intro.html
+++ b/docs/intro.html
@@ -171,8 +171,9 @@
 </p>
 
 <p>
-Ongoing: Mesa is the OpenGL implementation for several types of hardware
-made by Intel, AMD and NVIDIA, plus the VMware virtual GPU.
+Ongoing: Mesa is the OpenGL implementation for devices designed by
+Intel, AMD, NVIDIA, Qualcomm, Broadcom, Vivante, plus the VMware and
+VirGL virtual GPUs.
 There's also several software-based renderers: swrast (the legacy
 Mesa rasterizer), softpipe (a gallium reference driver), llvmpipe
 (LLVM/JIT-based high-speed rasterizer) and swr (another LLVM-based driver).