x86 boot code comments typos

Fix comments typos in new x86 boot code.
Signed-off-by: NRandy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: NH. Peter Anvin <hpa@zytor.com>

arch/i386/boot/code16gcc.h

@@ -2,7 +2,7 @@
  * code16gcc.h
  *
  * This file is -include'd when compiling 16-bit C code.
- * Note: this asm() needs to be emitted before gcc omits any code.
+ * Note: this asm() needs to be emitted before gcc emits any code.
  * Depending on gcc version, this requires -fno-unit-at-a-time or
  * -fno-toplevel-reorder.
  *

arch/i386/boot/header.S

@@ -225,7 +225,7 @@ start_of_setup:
 	int	$0x13
 #endif
 
-# We will have entired with %cs = %ds+0x20, normalize %cs so
+# We will have entered with %cs = %ds+0x20, normalize %cs so
 # it is on par with the other segments.
 	pushw	%ds
 	pushw	$setup2

arch/i386/boot/pm.c

@@ -80,7 +80,7 @@ static void move_kernel_around(void)
  */
 static void mask_all_interrupts(void)
 {
-	outb(0xff, 0xa1);	/* Mask all interrupts on the seconday PIC */
+	outb(0xff, 0xa1);	/* Mask all interrupts on the secondary PIC */
 	io_delay();
 	outb(0xfb, 0x21);	/* Mask all but cascade on the primary PIC */
 	io_delay();

arch/i386/boot/video-bios.c

@@ -44,7 +44,7 @@ static int set_bios_mode(u8 mode)
 		     : "+a" (ax)
 		     : : "ebx", "ecx", "edx", "esi", "edi");
 
-	do_restore = 1;		/* Assume video contents was lost */
+	do_restore = 1;		/* Assume video contents were lost */
 	new_mode = ax & 0x7f;	/* Not all BIOSes are clean with the top bit */
 
 	if (new_mode == mode)