staging: rtl8723bs: Initialize variables at declaration in rtl8723b_hal_init.c

staging: rtl8723bs: Initialize variables at declaration in rtl8723b_hal_init.c

Make the code more concise and readable by integrating the initialization
directly into the variable declaration in cases where the initialization
is simple and doesn't depend on other variables or complex expressions.

Signed-off-by: Erick Karanja <karanja99erick@gmail.com>
Link: https://lore.kernel.org/r/4d52a207eadd99ad998214aa8eb059f725c94802.1744268316.git.karanja99erick@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>