parisc: Fix comment describing setup of access rights in entry.S

This comment describes incredibly subtle code, so it should be right!
Signed-off-by: NJohn David Anglin <dave.anglin@bell.net>
Signed-off-by: NHelge Deller <deller@gmx.de>

arch/parisc/kernel/entry.S

@@ -483,7 +483,7 @@
 	 * B <-> _PAGE_DMB (memory break)
 	 *
 	 * Then incredible subtlety: The access rights are
-	 * _PAGE_GATEWAY _PAGE_EXEC _PAGE_READ
+	 * _PAGE_GATEWAY, _PAGE_EXEC and _PAGE_WRITE
 	 * See 3-14 of the parisc 2.0 manual
 	 *
 	 * Finally, _PAGE_READ goes in the top bit of PL1 (so we
@@ -493,7 +493,7 @@
 
 	/* PAGE_USER indicates the page can be read with user privileges,
 	 * so deposit X1|11 to PL1|PL2 (remember the upper bit of PL1
-	 * contains _PAGE_READ */
+	 * contains _PAGE_READ) */
 	extrd,u,*=      \pte,_PAGE_USER_BIT+32,1,%r0
 	depdi		7,11,3,\prot
 	/* If we're a gateway page, drop PL2 back to zero for promotion