fpga: Require AR76780 for X3xx and E3xx

Patch AR76780 was already listed as a requirement for X4xx and N3xx,
but was not listed as a requirement for X3xx and E3xx. This change
makes it required for all Vivado-based USRPs.


Original-commit: 5aa6bc4418a30d6e6fde80b80632f9f9115ea5c4

top/e31x/setupenv.sh

@@ -1,6 +1,7 @@
 #!/bin/bash
 
 VIVADO_VER=2021.1
+VIVADO_VER_FULL=2021.1_AR76780
 DISPLAY_NAME="USRP-E31x"
 REPO_BASE_PATH=$(cd "$(dirname "${BASH_SOURCE[0]}")/../.." && pwd)
 

top/e320/setupenv.sh

@@ -1,6 +1,7 @@
 #!/bin/bash
 
 VIVADO_VER=2021.1
+VIVADO_VER_FULL=2021.1_AR76780
 DISPLAY_NAME="USRP-E320"
 REPO_BASE_PATH=$(cd "$(dirname "${BASH_SOURCE[0]}")/../.." && pwd)
 

top/x300/setupenv.sh

@@ -1,6 +1,7 @@
 #!/bin/bash
 
 VIVADO_VER=2021.1
+VIVADO_VER_FULL=2021.1_AR76780
 DISPLAY_NAME="USRP-X3x0"
 REPO_BASE_PATH=$(cd "$(dirname "${BASH_SOURCE[0]}")/../.." && pwd)