enable SiRFSoC device drivers in CSR prima2_defconfig

make savedefconfig at first, then enable
1. sdhci driver
2. onkey
3. rtc
4. hwspinlock
for prima2_defconfig
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ARM: prima2_defconfig: enable build for hwspinlock

This patch enables hardware spinlock driver for CSRatlas7 platforms.

Signed-off-by: Barry Song <Baohua.Song@csr.com>
1 file changed