ARM: vmlinux*.lds.S: some decruftification

Remove stuff from vmlinux.lds.S that is relevant only to the XIP build,
and stuff from vmlinux-xip.lds.S related to self-modifying code that
makes no sense in the XIP case.
Signed-off-by: NNicolas Pitre <nico@linaro.org>
Reviewed-by: NArd Biesheuvel <ard.biesheuvel@linaro.org>
Tested-by: NChris Brandt <Chris.Brandt@renesas.com>

arch/arm/kernel/vmlinux-xip.lds.S

@@ -77,9 +77,7 @@ SECTIONS
 		*(.text.fixup)
 		*(__ex_table)
 #endif
-#ifndef CONFIG_SMP_ON_UP
 		*(.alt.smp.init)
-#endif
 		*(.discard)
 		*(.discard.*)
 	}
@@ -181,18 +179,6 @@ SECTIONS
 		*(.taglist.init)
 		__tagtable_end = .;
 	}
-#ifdef CONFIG_SMP_ON_UP
-	.init.smpalt : {
-		__smpalt_begin = .;
-		*(.alt.smp.init)
-		__smpalt_end = .;
-	}
-#endif
-	.init.pv_table : {
-		__pv_table_begin = .;
-		*(.pv_table)
-		__pv_table_end = .;
-	}
 	.init.data : {
 		INIT_SETUP(16)
 		INIT_CALLS

arch/arm/kernel/vmlinux.lds.S

@@ -236,9 +236,8 @@ SECTIONS
 	. = ALIGN(THREAD_SIZE);
 #endif
 	__init_end = .;
-	__data_loc = .;
 
-	.data : AT(__data_loc) {
+	.data : {
 		_data = .;		/* address in memory */
 		_sdata = .;
 
@@ -260,7 +259,6 @@ SECTIONS
 
 		_edata = .;
 	}
-	_edata_loc = __data_loc + SIZEOF(.data);
 
 	BUG_TABLE