linux-wandboard

MLK-11546 fix build error when use imx_v7_mfg_defconfig

arch/arm/mach-imx/built-in.o: In function `clk_pllv3_do_shared_clks':
:(.text+0xed8): undefined reference to `imx_sema4_mutex_lock'
:(.text+0xf04): undefined reference to `imx_sema4_mutex_unlock'
arch/arm/mach-imx/built-in.o: In function `clk_gate2_do_shared_clks':
:(.text+0x1208): undefined reference to `imx_sema4_mutex_lock'
:(.text+0x1234): undefined reference to `imx_sema4_mutex_unlock'
arch/arm/mach-imx/built-in.o: In function `clk_pfd_do_shared_clks':
:(.text+0x15f4): undefined reference to `imx_sema4_mutex_lock'
:(.text+0x1620): undefined reference to `imx_sema4_mutex_unlock'
arch/arm/mach-imx/built-in.o: In function `imx_amp_power_init':
:(.init.text+0x10d50): undefined reference to `imx_sema4_mutex_create'
drivers/built-in.o: In function `mxcfb_unregister':
:(.text+0x20e70): undefined reference to `ipu_free_irq'
:(.text+0x20e94): undefined reference to `ipu_free_irq'
:(.text+0x20eac): undefined reference to `ipu_free_irq'
drivers/built-in.o: In function `fbi_to_pixfmt':

Signed-off-by: Frank Li <Frank.Li@freescale.com>