kbc: Reduce timeout from 10ms to 1ms

Fix ACPI timeout and delay on S3 resume when holding a key.

A timeout greater than 1ms results in the excessive delay (~10s) still
occurring on an oryp5 (IT8587).

src/board/system76/common/kbc.c

@@ -22,7 +22,7 @@ void kbc_init(void) {
     *(KBC.status) = BIT(4);
 }
 
-#define KBC_TIMEOUT 10000
+#define KBC_TIMEOUT 1000
 
 // Enable first port - TODO
 static bool kbc_first = false;