manifest: Update reference for hal_silabs

The test benchmark.kernel.footprints.pm currently generate these warnings
during the link:

    [204/209] Linking C executable zephyr/zephyr_pre0.elf
    .../ld.bfd: warning: orphan section `.udma_addr1' from \
        `zephyr/libzephyr.a(UDMA.c.obj)' being placed in   \
        section `.udma_addr1'
    [209/209] Linking C executable zephyr/zephyr.elf
    .../ld.bfd: warning: orphan section `.udma_addr1' from \
        `zephyr/libzephyr.a(UDMA.c.obj)' being placed in   \
        section `.udma_addr1'

Last version of hal_silabs provide a workaround for this issue.

Signed-off-by: Jérôme Pouiller <jerome.pouiller@silabs.com>

Author: jerome-pouiller

west.yml

@@ -235,7 +235,7 @@ manifest:
       groups:
         - hal
     - name: hal_silabs
-      revision: 921041808ba4843f72a617f9ad90e0d3beb52bbd
+      revision: 190a144a16bed9a938a94543ed5bbc70c0552e0f
       path: modules/hal/silabs
       groups:
         - hal