manager: simplify kernel arch

Previously:

Kernel
4.19.331-Rissu

Kernel Arch
armv8l

This changes:

Kernel
4.19.331-Rissu (armv8l)

Suggested-by: backslashxx <118538522+backslashxx@users.noreply.github.com>
Signed-off-by: rsuntk <90097027+rsuntk@users.noreply.github.com>

manager/app/src/main/java/com/sukisu/ultra/ui/screen/Home.kt

@@ -862,7 +862,7 @@ private fun InfoCard() {
 
             InfoCardItem(
                 stringResource(R.string.home_kernel),
-                uname.release,
+                "${uname.release} (${uname.machine})",
                 icon = Icons.Default.Memory,
             )