hal: update msmskunk references to msm845

Update makefiles and defines to refer to sdm845 instead
of msmskunk

CRs-Fixed: 2039156

Change-Id: Ib6ddbe4657fd20bec4d8ec177d06ea9fd4b9b438
diff --git a/hal/audio_extn/hfp.c b/hal/audio_extn/hfp.c
index 62f3676..3c1d0ef 100644
--- a/hal/audio_extn/hfp.c
+++ b/hal/audio_extn/hfp.c
@@ -49,7 +49,7 @@
 #define HFP_RX_VOLUME     "SEC AUXPCM LOOPBACK Volume"
 #elif defined PLATFORM_MSM8996
 #define HFP_RX_VOLUME     "PRI AUXPCM LOOPBACK Volume"
-#elif defined (PLATFORM_MSM8998) || defined (PLATFORM_MSMFALCON) || defined (PLATFORM_MSMSKUNK)
+#elif defined (PLATFORM_MSM8998) || defined (PLATFORM_MSMFALCON) || defined (PLATFORM_SDM845)
 #define HFP_RX_VOLUME     "SLIMBUS_7 LOOPBACK Volume"
 #else
 #define HFP_RX_VOLUME     "Internal HFP RX Volume"