x86: Throw away .eh_frame exception-handling sections. Otherwise they

can fail the build by requiring linking against discarded .exit.*
sections.

Signed-off-by: Keir Fraser <keir.fraser@citrix.com>

xen/arch/x86/x86_32/xen.lds.S

@@ -91,6 +91,7 @@ SECTIONS
 	*(.exit.text)
 	*(.exit.data)
 	*(.exitcall.exit)
+	*(.eh_frame)
 	}
 
   /* Stabs debugging sections.  */

xen/arch/x86/x86_64/xen.lds.S

@@ -89,6 +89,7 @@ SECTIONS
 	*(.exit.text)
 	*(.exit.data)
 	*(.exitcall.exit)
+	*(.eh_frame)
 	}
 
   /* Stabs debugging sections.  */