nvidia: [rhel7] disable nouveau in /etc/default/grub

Disable nouveau for al new kernels in /etc/default/grub.
This prevents removal of grub kernel boot parameters when running
grub2-mkconfig.

Signed-off-by: Philip J Perry <phil@elrepo.org>
nvidia: update to version 340.32

Signed-off-by: Philip J Perry <phil@elrepo.org>
nvidia-detect: update to version 340.32

Add support for detection of devices added to 340.32 driver release

Signed-off-by: Philip J Perry <phil@elrepo.org>