[ARM] 5557/1: Discard some ARM.ex*.*exit.text sections when !HOTPLUG or !HOTPLUG_CPU

Not discarding these sections when hotplug isn't available prevents the
kernel from building.
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

arch/arm/kernel/vmlinux.lds.S

@@ -84,6 +84,14 @@ SECTIONS
 		*(.exitcall.exit)
 		*(.ARM.exidx.exit.text)
 		*(.ARM.extab.exit.text)
+#ifndef CONFIG_HOTPLUG_CPU
+		*(.ARM.exidx.cpuexit.text)
+		*(.ARM.extab.cpuexit.text)
+#endif
+#ifndef CONFIG_HOTPLUG
+		*(.ARM.exidx.devexit.text)
+		*(.ARM.extab.devexit.text)
+#endif
 #ifndef CONFIG_MMU
 		*(.fixup)
 		*(__ex_table)