Blackfin: debug-mmrs: include RSI_PID[4567] MMRs

The documentation is a little iffy as to whether these are actual MMRs,
but reading them on the hardware works, and the previous version of this
logic (the SDH) had PID[4567].  So add it for RSI too.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>
diff --git a/arch/blackfin/kernel/debug-mmrs.c b/arch/blackfin/kernel/debug-mmrs.c
index aa201be..fce4807 100644
--- a/arch/blackfin/kernel/debug-mmrs.c
+++ b/arch/blackfin/kernel/debug-mmrs.c
@@ -1337,6 +1337,10 @@
 	D16(RSI_PID1);
 	D16(RSI_PID2);
 	D16(RSI_PID3);
+	D16(RSI_PID4);
+	D16(RSI_PID5);
+	D16(RSI_PID6);
+	D16(RSI_PID7);
 	D16(RSI_PWR_CONTROL);
 	D16(RSI_RD_WAIT_EN);
 	D32(RSI_RESPONSE0);