control: Fix build issue with Fedora 31 version of GHDL
authorAnton Blanchard <anton@linux.ibm.com>
Wed, 11 Dec 2019 01:02:06 +0000 (12:02 +1100)
committerAnton Blanchard <anton@ozlabs.org>
Wed, 11 Dec 2019 01:02:06 +0000 (12:02 +1100)
commit1c05f330c6efd58c9fee4fe03b5e75c30038db08
treea1e3fbf248f0b8025de45e9dd1a131066088b429
parent1a826f077bb518bc3ffd799c47a6dd2852165f89
control: Fix build issue with Fedora 31 version of GHDL

I'm hitting an issue with the Fedora 31 version of GHDL that
appears to be fixed upstream:

control.vhdl:105:39:error: actual expression must be globally static

Add a signal to get rid of error.

Signed-off-by: Anton Blanchard <anton@linux.ibm.com>
control.vhdl