fix IRQ logic bug

Author: Aaron-Hartwig

hdl/projects/cosmo_seq/sequencer/sequencer_regs.vhd

@@ -92,7 +92,7 @@ begin
     ignition_creset <= ignition_control.ignition_creset;
     allow_backplane_pcie_clk <= pcie_clk_ctrl.clk_en;
 
-    commbined_irq <= ifr and ier;
+    commbined_irq <= ifr or ier;
 
     -- non-axi-specific logic
     seq_regs_specific: process(clk, reset)