arm/alternative: Drop unused includes of asm/alternative.h

No functional change.

Signed-off-by: Andrew Cooper <andrew.cooper3@citrix.com>
Acked-by: Stefano Stabellini <sstabellini@kernel.org>

xen/arch/arm/arm64/cache.S

@@ -19,8 +19,6 @@
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
-#include <asm/alternative.h>
-
 /*
  * dcache_line_size - get the minimum D-cache line size from the CTR register.
  */

xen/arch/arm/domain.c

@@ -12,7 +12,6 @@
 #include <xen/softirq.h>
 #include <xen/wait.h>
 
-#include <asm/alternative.h>
 #include <asm/arm64/sve.h>
 #include <asm/cpuerrata.h>
 #include <asm/cpufeature.h>