Tidy comment re CY82C693UB vs PIIX

Signed-off-by: Jason Thorpe <thorpej@me.com>
Message-Id: <20210603035317.6814-4-thorpej@me.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
diff --git a/init.c b/init.c
index 8061129..1451785 100644
--- a/init.c
+++ b/init.c
@@ -272,7 +272,7 @@
   outb(0x04, PORT_PIC1_DATA);	/* ICW3: slave control INTC2 */
   outb(0x01, PORT_PIC1_DATA);	/* ICW4 */
 
-  /* Initialize level triggers.  The CY82C693UB that's on real alpha
+  /* Initialize level triggers.  The CY82C693UB that's on some real alpha
      hardware doesn't have this; this is a PIIX extension.  However,
      QEMU doesn't implement regular level triggers.  */
   outb(0xff, PORT_PIC2_ELCR);