ks01lte: cypress-touchkey: fixed gpio ensure requested warnings
when it is initialized the gpio request is interrupted by the return even when gpio is busy, remove all the returns to allow to try to request them all

error log:
<3>[    0.933943] cypress_touchkey_init: init
<7>[    0.934050] gpio_request: gpio-96 (touchkey_scl) status -16
<3>[    0.934077] cypress_request_gpio: unable to request touchkey_scl [96]
<6>[    0.934194] input: sec_touchkey as /devices/i2c.91/i2c-22/22-0020/input/input2
<5>[    0.934247] cypress_touchkey 22-0020: cypress_touchkey_con_hw : called with flag 1.
<6>[    0.934254] cypress_touchkey 22-0020: cypress_power_onoff: power on
<4>[    0.934509] ------------[ cut here ]------------
<4>[    0.934519] WARNING: at drivers/gpio/gpiolib.c:103 gpio_ensure_requested+0x44/0xa4()
<4>[    0.934524] autorequest GPIO-433
<4>[    0.934528] Modules linked in:
<4>[    0.934546] [<c010c3c0>] (unwind_backtrace+0x0/0x11c) from [<c0195a7c>] (warn_slowpath_common+0x4c/0x64)
<4>[    0.934557] [<c0195a7c>] (warn_slowpath_common+0x4c/0x64) from [<c0195b14>] (warn_slowpath_fmt+0x2c/0x3c)
<4>[    0.934567] [<c0195b14>] (warn_slowpath_fmt+0x2c/0x3c) from [<c03cc650>] (gpio_ensure_requested+0x44/0xa4)
<4>[    0.934578] [<c03cc650>] (gpio_ensure_requested+0x44/0xa4) from [<c03cca28>] (gpio_direction_output+0x98/0x2b0)
<4>[    0.934591] [<c03cca28>] (gpio_direction_output+0x98/0x2b0) from [<c05a10e4>] (cypress_power_onoff+0x200/0x2bc)
<4>[    0.934604] [<c05a10e4>] (cypress_power_onoff+0x200/0x2bc) from [<c0926d50>] (cypress_touchkey_probe+0x3a4/0xa08)
<4>[    0.934619] [<c0926d50>] (cypress_touchkey_probe+0x3a4/0xa08) from [<c05c11d4>] (i2c_device_probe+0x98/0xc8)
<4>[    0.934634] [<c05c11d4>] (i2c_device_probe+0x98/0xc8) from [<c04a1a3c>] (driver_probe_device+0x138/0x340)
<4>[    0.934644] [<c04a1a3c>] (driver_probe_device+0x138/0x340) from [<c04a1cac>] (__driver_attach+0x68/0x8c)
<4>[    0.934655] [<c04a1cac>] (__driver_attach+0x68/0x8c) from [<c049ff84>] (bus_for_each_dev+0x50/0x88)
<4>[    0.934665] [<c049ff84>] (bus_for_each_dev+0x50/0x88) from [<c04a1018>] (bus_add_driver+0x100/0x26c)
<4>[    0.934674] [<c04a1018>] (bus_add_driver+0x100/0x26c) from [<c04a2184>] (driver_register+0x9c/0x120)
<4>[    0.934685] [<c04a2184>] (driver_register+0x9c/0x120) from [<c05c30a4>] (i2c_register_driver+0xb0/0xdc)
<4>[    0.934695] [<c05c30a4>] (i2c_register_driver+0xb0/0xdc) from [<c0f25e04>] (cypress_touchkey_init+0x1c/0x5c)
<4>[    0.934705] [<c0f25e04>] (cypress_touchkey_init+0x1c/0x5c) from [<c0100644>] (do_one_initcall+0x90/0x160)
<4>[    0.934717] [<c0100644>] (do_one_initcall+0x90/0x160) from [<c0f00d04>] (kernel_init+0xf4/0x1b8)
<4>[    0.934728] [<c0f00d04>] (kernel_init+0xf4/0x1b8) from [<c0106c8c>] (kernel_thread_exit+0x0/0x8)
<4>[    0.934744] ---[ end trace 2a56afe3672998d3 ]---