unicore32: pwm: Remove unnecessary indirection
unicore32: pwm: Remove unnecessary indirection

Calling the actual probing function through a proxy isn't required and
makes the code needlessly complex.

Signed-off-by: Thierry Reding <b75a4d02013b0e68ae2c6bb0dcfd4b7bec282dc9@avionic-design.de>
Tested-by: Qin Rui <94743d60721a970e66d065f5b2112c9894d31834@mprc.pku.edu.cn>
Acked-by: Guan Xuetao <e3695cf74a76bd4528efcb62d7670a686738ecc1@mprc.pku.edu.cn>

KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs