x86/fpu: Fix inline prefix warnings

mainline inclusion
from mainline-v5.17-rc1
commit c862dcd1
category: feature
bugzilla: https://gitee.com/openeuler/intel-kernel/issues/I5RQLJ


CVE: NA

Intel-SIG: commit c862dcd1 x86/fpu: Fix inline prefix warnings.

--------------------------------

Fix sparse warnings in xstate and remove inline prefix.

Fixes: 980fe2fd ("x86/fpu: Extend fpu_xstate_prctl() with guest permissions")
Signed-off-by: Yang Zhong <yang.zhong@intel.com>
Reported-by: kernel test robot <lkp@intel.com>
Message-Id: <20220113180825.322333-1-yang.zhong@intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Lin Wang <lin.x.wang@intel.com>