x86: two trivial sparse annotations

Impact: fewer sparse warnings, no functional changes

arch/x86/kernel/vsmp_64.c:87:14: warning: incorrect type in argument 1 (different address spaces)
arch/x86/kernel/vsmp_64.c:87:14:    expected void const volatile [noderef] <asn:2>*addr
arch/x86/kernel/vsmp_64.c:87:14:    got void *[assigned] address
arch/x86/kernel/vsmp_64.c:88:22: warning: incorrect type in argument 1 (different address spaces)
arch/x86/kernel/vsmp_64.c:88:22:    expected void const volatile [noderef] <asn:2>*addr
arch/x86/kernel/vsmp_64.c:88:22:    got void *
arch/x86/kernel/vsmp_64.c:100:23: warning: incorrect type in argument 2 (different address spaces)
arch/x86/kernel/vsmp_64.c:100:23:    expected void volatile [noderef] <asn:2>*addr
arch/x86/kernel/vsmp_64.c:100:23:    got void *
arch/x86/kernel/vsmp_64.c:101:23: warning: incorrect type in argument 1 (different address spaces)
arch/x86/kernel/vsmp_64.c:101:23:    expected void const volatile [noderef] <asn:2>*addr
arch/x86/kernel/vsmp_64.c:101:23:    got void *
arch/x86/mm/gup.c:235:6: warning: incorrect type in argument 1 (different base types)
arch/x86/mm/gup.c:235:6:    expected void const volatile [noderef] <asn:1>*<noident>
arch/x86/mm/gup.c:235:6:    got unsigned long [unsigned] [assigned] start

Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>