Fixed the 8514/A to VGA soft reset and made the vga_on variable a global one to make sure it's used by the soft reset.

Updated copyright holder that was accidentally reverted while committing the IBM 8514/A source files.

src/cpu/x86.c

@@ -36,6 +36,8 @@
 #include <86box/pci.h>
 #include <86box/ppi.h>
 #include <86box/timer.h>
+#include <86box/video.h>
+#include <86box/vid_svga.h>
 
 /* The opcode of the instruction currently being executed. */
 uint8_t opcode;
@@ -341,6 +343,9 @@ softresetx86(void)
     if (soft_reset_mask)
 	return;
 
+    if (ibm8514_enabled)
+        vga_on = 1;
+
     reset_common(0);
 }