If CONFIG_PWM_TI_EHRPWM is enabled, it throws the build warning in
dev_dbg() due to incorrect format specifier as,
"warning: format ‘%lx’ expects argument of type ‘long unsigned int’, but
argument 4 has type ‘fdt_addr_t’ {aka ‘unsigned int’}".
Fix this with the correct format specifier.
Signed-off-by: Sukrut Bellary <sbellary@baylibre.com>