intel/isl: Remove 'inline' keywords

Unless you have data, the compiler knows better than you whether a
function should be inlined.

Unlike all other cases in this series, the removal of the inline keyword
from isl_format_has_channel_type actually changes the resulting binary
with gcc-6.3.0:

   text	   data	    bss	    dec	    hex	filename
7831116	 346384	 420648	8598148	 833284	i965_dri.so before
7830716	 346384	 420648	8597748	 8330f4	i965_dri.so after

I think this is likely an improvement. No difference in the resulting
binary with clang-4.0.

Reviewed-by: Emil Velikov <emil.velikov@collabora.com>
Reviewed-by: Eric Engestrom <eric.engestrom@imgtec.com>

src/intel/isl/isl_emit_depth_stencil.c

@@ -26,7 +26,7 @@
 #define __gen_address_type uint64_t
 #define __gen_user_data void
 
-static inline uint64_t
+static uint64_t
 __gen_combine_address(void *data, void *loc, uint64_t addr, uint32_t delta)
 {
    return addr + delta;

src/intel/isl/isl_format.c

@@ -608,7 +608,7 @@ isl_formats_are_ccs_e_compatible(const struct gen_device_info *devinfo,
           fmtl1->channels.a.bits == fmtl2->channels.a.bits;
 }
 
-static inline bool
+static bool
 isl_format_has_channel_type(enum isl_format fmt, enum isl_base_type type)
 {
    const struct isl_format_layout *fmtl = isl_format_get_layout(fmt);

src/intel/isl/isl_surface_state.c

@@ -26,7 +26,7 @@
 #define __gen_address_type uint64_t
 #define __gen_user_data void
 
-static inline uint64_t
+static uint64_t
 __gen_combine_address(void *data, void *loc, uint64_t addr, uint32_t delta)
 {
    return addr + delta;
@@ -130,7 +130,7 @@ get_surftype(enum isl_surf_dim dim, isl_surf_usage_flags_t usage)
  * hardware.  Note that this does NOT give you the actual hardware enum values
  * but an index into the isl_to_gen_[hv]align arrays above.
  */
-static inline struct isl_extent3d
+static struct isl_extent3d
 get_image_alignment(const struct isl_surf *surf)
 {
    if (GEN_GEN >= 9) {