feat(vivado): add env variables to set Jobs number and Host

Variables:
FWK_VIVADO_JOBS: Set the number of jobs
FWK_VIVADO_HOST: Set the remote host to be used
If no host variable defined then local host.

Example:
export FWK_VIVADO_JOBS=8
export FWK_VIVADO_HOST=mskfw1
make build

src/fwfwk_vivado.tcl

@@ -90,13 +90,25 @@ proc buildProject {args} {
   reset_run "impl_1"
   reset_run "synth_1"
 
-  if {[catch { launch_runs synth_1 } resulttext ]} { exit -1 }
+  set VivadoJobs 1
+  set VivadoHost ""
+
+  if { [info exists ::env(FWK_VIVADO_JOBS)] } {
+    set VivadoJobs $::env(FWK_VIVADO_JOBS)
+  }
+  if { [info exists ::env(FWK_VIVADO_HOST)] } {
+    set VivadoHost "-host \{$::env(FWK_VIVADO_HOST) $VivadoJobs\}"
+  } else {
+    set VivadoHost "-jobs $VivadoJobs"
+  }
+
+  if {[catch { eval launch_runs synth_1 $VivadoHost } resulttext ]} { puts $resulttext; exit -1 }
   if {[catch { wait_on_run synth_1 } resulttext ]} { exit -1 }
 
-  if {[catch { launch_runs impl_1 } resulttext ]} { exit -1 }
+  if {[catch { eval launch_runs impl_1 $VivadoHost } resulttext ]} { puts $resulttext; exit -1 }
   if {[catch { wait_on_run impl_1 } resulttext ]} { exit -1 }
 
-  if {[catch { launch_runs impl_1 -to_step write_bitstream }] } { exit -1 }
+  if {[catch { eval launch_runs impl_1 -to_step write_bitstream $VivadoHost } resulttext ]} { puts $resulttext; exit -1 }
   wait_on_run [current_run]
 }