soc: intel_adsp: ace30: extend hwreg1 MMU mapping

This patch will extend MMU mapping range for hwreg1 entry
because it is required to access lower register addresses

Signed-off-by: Adrian Bonislawski <adrian.bonislawski@intel.com>
diff --git a/soc/intel/intel_adsp/ace/mmu_ace30.c b/soc/intel/intel_adsp/ace/mmu_ace30.c
index b9dceee..1941564 100644
--- a/soc/intel/intel_adsp/ace/mmu_ace30.c
+++ b/soc/intel/intel_adsp/ace/mmu_ace30.c
@@ -148,7 +148,7 @@
 	},
 	{
 		/* FIXME: definitely need more refinements... */
-		.start = (uint32_t)0x170000,
+		.start = (uint32_t)0x160000,
 		.end   = (uint32_t)0x180000,
 		.attrs = XTENSA_MMU_PERM_W,
 		.name = "hwreg1",