sh: Record ms7724se in mach-types.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>

arch/sh/tools/mach-types

@@ -23,6 +23,7 @@ HD64461			HD64461
 7619SE			SH_7619_SOLUTION_ENGINE
 7721SE			SH_7721_SOLUTION_ENGINE
 7722SE			SH_7722_SOLUTION_ENGINE
+7724SE			SH_7724_SOLUTION_ENGINE
 7751SE			SH_7751_SOLUTION_ENGINE
 7780SE			SH_7780_SOLUTION_ENGINE
 7751SYSTEMH		SH_7751_SYSTEMH