Add "PNP0303" to acpi_isa_hids[]

[David Coppa]

Is the diff below ok?

It makes the line

"PNP0303" at acpi0 not configured

disappear from my dmesg.

Index: dev/acpi/acpi.c
===================================================================
RCS file: /cvs/src/sys/dev/acpi/acpi.c,v
retrieving revision 1.330
diff -u -p -u -p -r1.330 acpi.c
--- dev/acpi/acpi.c     22 Jul 2017 21:06:17 -0000      1.330
+++ dev/acpi/acpi.c     9 Aug 2017 09:12:46 -0000
@@ -2801,6 +2801,7 @@ const char *acpi_skip_hids[] = {
 
 /* ISA devices for which we attach a driver later */
 const char *acpi_isa_hids[] = {
+       "PNP0303",      /* 8042 PS/2 Controller */
        "PNP0501",      /* 16550A-compatible COM Serial Port */
        NULL
 };