kernel-modules: better match for arm architecure

modules.d/90kernel-modules/module-setup.sh

@@ -44,7 +44,7 @@ installkernel() {
             atkbd i8042 usbhid hid-apple hid-sunplus hid-cherry hid-logitech \
             hid-logitech-dj hid-microsoft firewire-ohci
 
-        if strstr "$(uname -i)" "arm"; then
+        if [[ "$(uname -p)" == arm* ]]; then
             # arm specific modules
             hostonly='' instmods sdhci_esdhc_imx mmci sdhci_tegra mvsdio omap omapdrm \
                 omap_hsmmc sdhci_dove ahci_platform pata_imx sata_mv