sh: Fix up various compile warnings for SE boards.

- setup-sh7750.c only defines the sh7751_ipr_map when building
  with SH7751 support.

- 7722 Solution Engine was missing a mach-type entry, causing
  the macro in cf-enabler to be undefined.

- arch/sh/mm/init.c needs linux/pagemap.h.

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

arch/sh/tools/mach-types

@@ -7,8 +7,11 @@
 #
 SE			SH_SOLUTION_ENGINE
 7751SE			SH_7751_SOLUTION_ENGINE		
+7722SE			SH_7722_SOLUTION_ENGINE		
 7300SE			SH_7300_SOLUTION_ENGINE
 7343SE			SH_7343_SOLUTION_ENGINE
+7206SE			SH_7206_SOLUTION_ENGINE
+7619SE			SH_7619_SOLUTION_ENGINE
 7780SE			SH_7780_SOLUTION_ENGINE
 73180SE			SH_73180_SOLUTION_ENGINE
 7751SYSTEMH		SH_7751_SYSTEMH
@@ -31,5 +34,3 @@ R7785RP			SH_R7785RP
 TITAN			SH_TITAN
 SHMIN			SH_SHMIN
 7710VOIPGW		SH_7710VOIPGW
-7206SE			SH_7206_SOLUTION_ENGINE
-7619SE			SH_7619_SOLUTION_ENGINE