makefile: kona: remove make export <all variables> instances

Replace all kernel make export <all variables> instances with
export of specific variables.  Depending on existing build
environment, exporting all as environment variables and
interaction with existing environment variable expansions
can lead to undefined behavior.

TODO:  This change is restricted to kona flow to narrow impact.
All remaining export <all variables> need to be evaluated and
fixed similarly via subsequent changes.

Change-Id: I9114b88f7511d1b3f9b496b76fb6da9db97772b8
Signed-off-by: David Ng <dave@codeaurora.org>
diff --git a/config/konaauto.conf b/config/konaauto.conf
index 7b03dea..03e0541 100644
--- a/config/konaauto.conf
+++ b/config/konaauto.conf
@@ -1,38 +1,38 @@
-CONFIG_PINCTRL_LPI=m
-CONFIG_PINCTRL_WCD=m
-CONFIG_AUDIO_EXT_CLK=m
-CONFIG_SND_SOC_WCD9XXX_V2=m
-CONFIG_SND_SOC_WCD_MBHC=m
-CONFIG_SND_SOC_WSA881X=m
-CONFIG_WCD9XXX_CODEC_CORE_V2=m
-CONFIG_MSM_CDC_PINCTRL=m
-CONFIG_MSM_QDSP6V2_CODECS=m
-CONFIG_MSM_ULTRASOUND=m
-CONFIG_MSM_QDSP6_APRV2_RPMSG=m
-CONFIG_MSM_ADSP_LOADER=m
-CONFIG_REGMAP_SWR=m
-CONFIG_MSM_QDSP6_SSR=m
-CONFIG_MSM_QDSP6_PDR=m
-CONFIG_MSM_QDSP6_NOTIFIER=m
-CONFIG_SND_SOC_MSM_HOSTLESS_PCM=m
-CONFIG_SND_SOC_MSM_QDSP6V2_INTF=m
-CONFIG_SOUNDWIRE=m
-CONFIG_SOUNDWIRE_MSTR_CTRL=m
-CONFIG_SND_SOC_QDSP6V2=m
-CONFIG_SND_SOC_WCD_MBHC_ADC=m
-CONFIG_SND_SOC_MSM_HDMI_CODEC_RX=m
-CONFIG_QTI_PP=m
-CONFIG_SND_HWDEP_ROUTING=m
-CONFIG_SND_SOC_MSM_STUB=m
-CONFIG_MSM_AVTIMER=m
-CONFIG_SND_SOC_BOLERO=m
-CONFIG_WSA_MACRO=m
-CONFIG_VA_MACRO=m
-CONFIG_RX_MACRO=m
-CONFIG_TX_MACRO=m
-CONFIG_SND_SOC_WCD_IRQ=m
-CONFIG_SND_SOC_WCD938X=m
-CONFIG_SND_SOC_WCD938X_SLAVE=m
-CONFIG_SND_SOC_KONA=m
-CONFIG_SND_EVENT=m
-CONFIG_VOICE_MHI=m
+export CONFIG_PINCTRL_LPI=m
+export CONFIG_PINCTRL_WCD=m
+export CONFIG_AUDIO_EXT_CLK=m
+export CONFIG_SND_SOC_WCD9XXX_V2=m
+export CONFIG_SND_SOC_WCD_MBHC=m
+export CONFIG_SND_SOC_WSA881X=m
+export CONFIG_WCD9XXX_CODEC_CORE_V2=m
+export CONFIG_MSM_CDC_PINCTRL=m
+export CONFIG_MSM_QDSP6V2_CODECS=m
+export CONFIG_MSM_ULTRASOUND=m
+export CONFIG_MSM_QDSP6_APRV2_RPMSG=m
+export CONFIG_MSM_ADSP_LOADER=m
+export CONFIG_REGMAP_SWR=m
+export CONFIG_MSM_QDSP6_SSR=m
+export CONFIG_MSM_QDSP6_PDR=m
+export CONFIG_MSM_QDSP6_NOTIFIER=m
+export CONFIG_SND_SOC_MSM_HOSTLESS_PCM=m
+export CONFIG_SND_SOC_MSM_QDSP6V2_INTF=m
+export CONFIG_SOUNDWIRE=m
+export CONFIG_SOUNDWIRE_MSTR_CTRL=m
+export CONFIG_SND_SOC_QDSP6V2=m
+export CONFIG_SND_SOC_WCD_MBHC_ADC=m
+export CONFIG_SND_SOC_MSM_HDMI_CODEC_RX=m
+export CONFIG_QTI_PP=m
+export CONFIG_SND_HWDEP_ROUTING=m
+export CONFIG_SND_SOC_MSM_STUB=m
+export CONFIG_MSM_AVTIMER=m
+export CONFIG_SND_SOC_BOLERO=m
+export CONFIG_WSA_MACRO=m
+export CONFIG_VA_MACRO=m
+export CONFIG_RX_MACRO=m
+export CONFIG_TX_MACRO=m
+export CONFIG_SND_SOC_WCD_IRQ=m
+export CONFIG_SND_SOC_WCD938X=m
+export CONFIG_SND_SOC_WCD938X_SLAVE=m
+export CONFIG_SND_SOC_KONA=m
+export CONFIG_SND_EVENT=m
+export CONFIG_VOICE_MHI=m