Merge #194

194: Makefile: Correctly document the Apollo3 support r=alistair23 a=alistair23

Signed-off-by: Alistair Francis <alistair@alistair23.me>

Co-authored-by: Alistair Francis <alistair@alistair23.me>
diff --git a/boards/layout_opentitan.ld b/boards/layout_opentitan.ld
index db48eef..0ae4b60 100644
--- a/boards/layout_opentitan.ld
+++ b/boards/layout_opentitan.ld
@@ -10,7 +10,7 @@
    * the kernel binary, check for the actual address of APP_MEMORY!
    */
   FLASH (rx) : ORIGIN = 0x20030040, LENGTH = 32M
-  SRAM (rwx) : ORIGIN = 0x10002800, LENGTH = 512K
+  SRAM (rwx) : ORIGIN = 0x10002D00, LENGTH = 512K
 }
 
 /*