sw:vec: Update ITCM linker mapping

To match top_matcha.hjson
https://spacebeaker.git.corp.google.com/shodan/3p/lowrisc/opentitan/+/3d05e14abb23e275f68080b59c21e3d949176605/hw/top_matcha/data/top_matcha.hjson#749

Change-Id: I260ce989557945debb523c5240b8cd2d45c018c4

springbok/matcha.ld

diff --git a/springbok/matcha.ld b/springbok/matcha.ld
index cabdf13..ab5d339 100644
--- a/springbok/matcha.ld
+++ b/springbok/matcha.ld
@@ -4,7 +4,7 @@
 
 MEMORY
 {
-        ITCM (rx) : ORIGIN = 0x30000000, LENGTH = ITCM_LENGTH
+        ITCM (rx) : ORIGIN = 0x32000000, LENGTH = ITCM_LENGTH
         DTCM (rw) : ORIGIN = 0x34000000, LENGTH = DTCM_LENGTH
 }