Arm: purge ENTRY(), ENDPROC(), and ALIGN

They're no longer used. This also makes it unnecessary to #undef two of
them in the linker script.

Signed-off-by: Jan Beulich <jbeulich@suse.com>
Acked-by: Julien Grall <jgrall@amazon.com>
Tested-by: Luca Fancellu <luca.fancellu@arm.com> # arm

xen/arch/arm/include/asm/config.h

@@ -53,17 +53,9 @@
 
 /* Linkage for ARM */
 #ifdef __ASSEMBLY__
-#define ALIGN .balign CONFIG_FUNCTION_ALIGNMENT
-#define ENTRY(name)                             \
-  .globl name;                                  \
-  ALIGN;                                        \
-  name:
 #define GLOBAL(name)                            \
   .globl name;                                  \
   name:
-#define ENDPROC(name) \
-  .type name, %function; \
-  END(name)
 #endif
 
 #include <xen/const.h>

xen/arch/arm/xen.lds.S

@@ -6,8 +6,6 @@
 #include <xen/lib.h>
 #include <xen/xen.lds.h>
 #include <asm/page.h>
-#undef ENTRY
-#undef ALIGN
 
 ENTRY(start)