all-archs: consolidate .text section definition in asm-generic

Move definition of .text section to asm-generic.

Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
diff --git a/arch/arm/kernel/vmlinux.lds.S b/arch/arm/kernel/vmlinux.lds.S
index e4156e7..8d4e248 100644
--- a/arch/arm/kernel/vmlinux.lds.S
+++ b/arch/arm/kernel/vmlinux.lds.S
@@ -90,7 +90,7 @@
 			__exception_text_start = .;
 			*(.exception.text)
 			__exception_text_end = .;
-			*(.text)
+			TEXT_TEXT
 			SCHED_TEXT
 			LOCK_TEXT
 #ifdef CONFIG_MMU